Natural selection is a straightforward method that results in long-term population changes in living things. It is actually so straightforward that it can be divided into five fundamental steps: variation, inheritance, selection, time, and adaptation. The co-discovereres of natural selection are Darwin and Wallace.
The process through which populations of living things adapt and change is known as natural selection. A population's members are naturally varied, which means that they are all distinctive in some ways. Because of this variety, some people have characteristics that suit their surroundings more than others. In contrast to "artificial selection," which refers to practices like purposeful cross-breeding and selection for qualities that are appealing to people, "natural selection" refers to the process of choosing organisms with particular traits that is entirely motivated by nature.
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Which tatement i an example of competition?
A. Egret eat inect that are unearthed after livetock graze. B. Wap lay egg inide hornworm o that after hatching the wap larvae can feed on the hornworm. C. Lion and hyena, which both live in a avanna ecoytem, eat the ame prey, antelope. D. Otter contribute to a high level of diverity in their ecoytem a they eat urchin, allowing kelp to grow. E. Ladybug conume inect uch a aphid, mealyworm, and pider mite
In an ecological interaction known as competition, organisms of the same or different species compete with one another for the same resources.
Territory, water, food (including the same prey), and other resources are examples of shared resources.
Although they are ecological connections, competition and predation are not mutualistic. Competition is an indirect interaction over resources, whereas predation does not happen over an extended period of time.
Competition is an interaction between two populations of closely related species that are vying for the same resources.
In the beginning, competition is bad for both species involved, but when the stronger partner outlives the weaker one and sometimes drives the latter to extinction, it benefits that partner.
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the head of the humerus fits into the ________ of the scapula.
The joint most people picture as the shoulder is the glenohumeral joint. A shallow cup-shaped socket (glenoid) in the scapula and a ball (head) at the top of the humerus fit together to form the joint, allowing for a large range of motion.
What is Shoulder Anatomy?Scapula, which is the shoulder blade, clavicle, and humerus are the three bones that make up the shoulder (upper arm bone). The acromioclavicular joint, where the highest point of the scapula (acromion) meets the clavicle, and the glenohumeral joint allow the shoulder to move.The smooth, elastic cartilage that covers the surfaces of the bones where the ball and socket meet allows the joint to move freely and absorbs trauma.The shallow shoulder socket necessitates a reliance on the soft tissues around it to support the joint and keep the parts secured. In order to construct a protective capsule that is lined with a thin membrane known as the synovium, many of these soft tissues surround the joint.For the purpose of lubricating and cushioning the joint, the synovium secretes a fluid called synovial fluid.The labrum, a fibrous ring of cartilage that surrounds the glenoid, or shoulder socket, creates a deeper socket for the ball to stabilize the joint. The rotator cuff is a network of muscles and tendons that covers the top of the humerus, or upper arm bone, to hold it in place and allow the arm to rotate. The deltoid, the shoulder's largest and strongest muscle, gives the arm the strength to lift.the forearm may rotate and the elbow can bend thanks to the biceps muscle, which is attached to the biceps tendon that originates at the top of the shoulder socket.To Learn more About shoulder refer to:
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Is the set of monomials closed under multiplication? Which of the following gives a correct answer and an explanation?
A. Yes; the sum of any two monomials is a monomial.
B. No; the product of two monomials could be a polynomial..
C. Yes; the product of any two monomials is a monomial..
D. No; the product of two monomials could be a rational number.
The correct explanation of the set of monomials closed under multiplication is Yes, the product of any two monomials is a monomial.
What is monomial and how to multiply monomial by monomial?
An algebraic expression with only one term is called a monomial. It contains only constants, variables, and exponents. Monomials can be manipulated using the basic operations of addition, subtraction, multiplication, and division. Examples of monomials include 3x2, 4, and 7xy. To multiply monomials, you multiply the coefficients, then multiply the variables. For example, to multiply (3x) and (5y), you would multiply 3 and 5 to get 15, then multiply x and y to get xy. So, the answer would be 15xy.
When two monomials are multiplied together, the result will always be another monomial, which is composed of the products of the coefficients and variables of the two monomials. For example, if we multiply 2x2 and 3x4, the result will be 6x6, which is a monomial.
Therefore, Yes, the product of any two monomials is a monomial is the correct answer.
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There are two main types of life cycles that viruses go through. List those life cycles.
a)
b)
Answer:
the lytic cycle and lysogenic cycle.
Explanation:
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mitosis, the process by which the nuclues of a cell divides into two nuclei, each containing a complete set of chromosomes, is essential to life because it
Mitosis, the process by which the nucleus of a cell divides into two nuclei, each containing a complete set of chromosomes, is essential to life because it allows for the growth and repair of tissues.
Allows for cell growth and repair, as well as the formation of new organisms through cell division. Without mitosis, living organisms would not be able to repair damaged tissue or reproduce. Additionally, mitosis plays a crucial role in the development of cancer and other diseases, as it allows for the uncontrolled growth of cells.
Mitosis is essential for the growth and repair of tissues in multicellular organisms. It allows for the formation of new cells that can replace damaged or dead cells. In addition, mitosis plays a key role in the development of organisms during the early stages of embryonic development.
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what natural disaster wiped out half of the earth’s animals 65 million years ago?
The Alvarez theory, which argued that a massive comet or asteroid impact was responsible for the rapid loss of non-avian dinosaurs and many other types of life 66 million years ago, changed that in the late 1980s and early 1990s.
The dominant idea holds that a massive asteroid or comet collided with Earth 65 million years ago, blocking sunlight, altering the temperature, and igniting global wildfires. The extinction 65 million years ago took off around half of all plants and animals. The event is so dramatic that it marks the end of the Cretaceous period and the beginning of the Tertiary period in Earth's history.
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what separates the parietal and visceral pericardium?
The parietal and visceral pericardiums are separated by the pericardial cavity. Serous fluid lubricates the visceral and parietal membranes in this space.
outline the visceral pericardium ?
The pericardium, also known as the pericardial sac, is a double-walled sac that houses the heart as well as the roots of the major arteries. It is composed of two layers: an exterior layer of fibrous pericardium and an interior layer of serous membrane (serous pericardium). It defines the middle mediastinum and encloses the pericardial cavity, which contains pericardial fluid. It shields the heart from other structures' interference, protects it from infection and harsh damage, and lubricates the heart's motions.
The pericardium is a tough fibroelastic sac that surrounds the heart on all sides except the bottom and the cardiac root (where the great vessels join the heart). The fibrous pericardium is semi-rigid, but the serous pericardium is very malleable.
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What is the percent yield if 18 grams of water are produced when 4 grams of hydrogen with excess oxygen?.
The percent yield if 18 grams of water are produced when 4 grams of hydrogen with excess oxygen is the percent yield is 450%.
What is [tex]H_{2} O[/tex]?[tex]H_{2} O[/tex] is an open source machine learning platform created by the company [tex]H_{2} O[/tex]. It is used by data scientists, analysts, and developers to build and deploy machine learning models. It offers a variety of powerful tools for data preparation, modeling, and deployment, as well as a range of algorithms for supervised and unsupervised learning.
In the given question, the percent yield can be calculated by dividing the amount of water produced (18 g) by the amount of reactant that was used (4 g). This gives us an answer of 4.5, which can be expressed as a percent yield of 450%.
The percent yield is an expression of the efficiency of a reaction. It is calculated by dividing the amount of product actually produced by the amount of product that should have been produced (based on the stoichiometric ratio). In this case, the reaction of 4 g of hydrogen with excess oxygen should have produced 18 g of water. Since 18 g of water were actually produced, the percent yield is 100%. This means that the reaction was 100% efficient and all of the reactants were used up in the reaction.
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How doe the abolute age of volcanic ah, and relative age, be ued to help cientit find the age of foil
To determine the age in years, we radiometrically date the rocks. Rocks that can be dated in this way include volcanic ash deposits, but not all rocks can.
How can the absolute and relative ages of rock layers be used to estimate the age of fossils?
Relative dating involves comparing a fossil to other fossils and rocks with known ages to determine how old it is. By using radiometric dating to track the isotope decay within the fossil or, more frequently, the rocks it is associated with, absolute dating can determine an object's exact age.
By noting whether the fossils are above or below a dated ash layer, we can ascertain the age of the specimens.
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Why did Mendel choose pea plant for his experiments give 4 Reasons Class 10?.
The advantages of pea plants and the reasons Gregor Mendel thought they were perfect for his experiments were as follows:
They were simple to grow and grew quickly .Their traits are easy to identify .They have seven different traits that can be observed. There are various types of peas that can be crossed or hybridized. Convenience in the long run because pea plants require little care and take up little room.The garden pea is a perfect topic for the study of genetics for the following reasons, which is why Gregor Mendel picked pea plants for his experiments: existence of distinguishable features in different forms. In one cross, numerous children are produced. brief life cycle Pollination manipulation is simple (cross pollination).
Because of his genetic experiment with the pea, Mendel is regarded as the father of modern genetics (Pisum Sativum).
Because the petals cover the reproductive organs until fertilization, pea plants normally self-fertilize. It is simple to obtain the pure line of pea plants with a consistent trait thanks to the self fertilization over many generations.
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All living things share some characteristics. for example, all organisms - question 1 options: are made up of one or more cells. make their own food from sunlight. have a skeleton to provide support. emerge, at birth, from some type of egg.
The nucleus, mitochondria, lysosomes, its endoplasmic reticulum, as well as the Golgi apparatus are a few of the important cells.
Chloroplasts, which are involved in photosynthesis, are also present in plant cells. All living organisms have cells as their fundamental unit of structure and functionality. Every cell is created from a different cell. Cells are only found in animal cells. A plasma membrane, the exterior layer that divides the inside of the cell from its surroundings, the cytoplasm, a jelly-like area inside the cell where other biological components are present, DNA, the cell's genetic material, and (4) make up all cells. Similar to an organ, an organelle is indeed a subcellular structure that serves one or more particular functions within the cell.
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What are the colours observed by plants the green light of the sunlight is blocked How will the photosynthesis be affected?.
The colors absorbed by the plants are blue and red and they reflect green light back, hence appear so. Hence, there will be no effect if green light of the sunlight is blocked.
The plants appear green because they reflect the green light back into the environment. Therefore, blocking green light won't have an impact on photosynthesis. Plants reflect back the green light because they absorb red and blue light, which is when photosynthesis is at its peak.
Light is absorbed during photosynthesis, and the energy from that light is used to create sugars that the plant can utilise. Photosynthetically active radiation is the term for the spectrum of light that plants can use for photosynthesis, which also happens to be the same spectrum that we can see.
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Symptoms of ______ may be improved by REM deprivation. a. schizophrenia b. Parkinson's disease c. depression d. generalized anxiety disorder. c. depression
REM deprivation may help with major depressive disorder symptoms.
What happens when chronic deficiency and sleep coexist?Lack of sleep has been linked to numerous chronic health issues, such as obesity, depression, diabetes, high blood pressure, kidney disease, heart disease, and high blood pressure. Adults, teenagers, and children who lack sleep have an increased risk of suffering an injury.
What is one way folks can assist their biological clock get reset?Wake up at the same time every day: Maintaining a regular sleep routine will aid in resetting your circadian rhythm. Your body will become accustomed to the new rhythm if you go to bed and wake up at the same time each day.
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What are the major points in the theory of natural selection?.
There are five main points to be considered during natural selection. They are variation, adaptation, selection, inheritance, and time.
Populations of living creatures fluctuate over time due to a fundamental mechanism called natural selection. It is so straightforward that it can be divided into five simple processes, referred to here as VISTA (variation, inheritance, selection, time, and adaptation).
Variation: Individuals in a population are different from one another because they have different genetic makes up than other individuals. This is true for all species.Inheritance: Some of a parent's genetic makeup is transferred to their children.Selection: Some people have inherited traits (genes) that help them live longer or have more children. These offspring have a higher likelihood of surviving and having children of their own. Their genes spread throughout the entire population as a result.Time: Selection leads to changes in species throughout time. Successful variants build up throughout time as these changes happen over days, decades, or even millions of years.Adaptation: The change of an organism to its environment to increase its chances of survival is known as an evolutionary adaptation or adaptation.To know more about natural selection:
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type of rna that combines with proteins to form ribosomes
In the cytoplasm, ribosomes, which serve as the site of protein synthesis, are formed when ribosomal RNA (rRNA) combines with proteins and enzymes.
The structure of ribosomes is formed by what kind of RNA?Transcripts are mRNA molecules that carry the coding sequences necessary for the synthesis of proteins; The core of a cell's ribosomes, which are the structures in which protein synthesis takes place, is made up of ribosomal RNA (rRNA) molecules. During protein synthesis, transfer RNA (tRNA) molecules deliver amino acids to ribosomes.
During translation, these intricate structures facilitate the assembly of amino acids into a polypeptide chain by traveling along the mRNA molecule. A protein is present in the human body in every cell. A chain of amino acids makes up the fundamental structure of protein. Protein is also important for children's and pregnant women's growth and development.
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Which question would help determine whether the corn is expressing the gene that provides herbicide resistance?
The question that would help determine whether the corn is expressing the gene that provides herbicide resistance is "Has the herbicide caused damage to the corn?"
Herbicides are а common prаctice to use herbicides in fields to reduce the number of unwаnted plаnts thаt аre competing with the wаnted ones for resources. Herbicides аffect different species in mаny wаys. They might kill plаnts, they might аffect reproduction, photosynthesis, аmong other wаys. In the exposed exаmple, We know thаt this pаrticulаr herbicide kills severаl plаnt species in the аreаs where it is used.
Your question is incomplete, but most probably your full question was
Herbicides are used to kill weeds or plants growing where they are not wanted. A crop of corn has been genetically modified so that it is resistant to a type of herbicide that kills several species of weeds that commonly grow in the fields and interfere with growth of the corn crop.
Which question would help determine whether the corn is expressing the gene that provides herbicide resistance?
A. Has the herbicide caused damage to the corn?
B. Do seeds produced by the corn produce new corn plants?
C. Are the weeds in the field killed by the herbicide?
D. Are insects eating the leaves and damaging the corn plants?
Thus, the correct answer is A.
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The decomposition of dimethylether at 504 oc is first order with a half-life of 1570 seconds. What fraction of an initial amount of dimethylether remains after 4710 seconds?.
The fraction of an initial amount of dimethylether remains after 4710 seconds is 1/8.
Given the decomposition of dimethylether at 504oc is first order.
The half-life (t) = 1570 seconds.
A radioactive isotope's half-life is the length of time it takes for one half of it to decay. The half-life of a particular radioactive isotope is not influenced by the environment and is not dependent on the isotope's initial concentration.
Time taken (t1) = 4710 seconds.
Therefore, the fraction of an initial amount of dimethylether that remains after 4710 seconds will be: 1/2^n where n = t1/t such that:
n = 4710/1570 = 3.
Then the required fraction = 1/2^3 = 1/8.
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darwin’s theory regarding the origin of bipedalism was ultimately accepted and remains central to our thinking about human evolution today. t or f
True. Darwin’s theory regarding the origin of bipedalism was ultimately accepted and remains central to our thinking about human evolution today.
What do you mean by Bipedalism?
Bipedalism is the ability of an organism to move using only two limbs, usually the legs. It is a form of locomotion used by most humans and some other animals, such as apes and birds. Bipedalism increases the range and speed of movement, as well as providing better balance and stability.
Darwin’s theory of the origin of bipedalism explains that the upright posture of humans evolved as an adaptation to the changing environment of the African savanna. According to Darwin, a bipedal posture allowed for the freeing of the hands, increasing the efficiency of foraging and tool-making. This theory has been widely accepted as the most plausible explanation for the emergence of bipedalism, as it is supported by the fossil record and other evidence. The theory has become central to our understanding of human evolution, as it has been confirmed by numerous archaeological discoveries and is supported by the current scientific consensus.
Hence, the statement is True.
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What process happens during prophase I of meiosis and creates genetically unique daughter cells?.
There is a breakdown of nuclear structure in prophase 1. It is also possible to see how chromatin condenses into chromosomes. The two chromatid-containing homologous chromosomes unite to generate tetrads by connecting at their centromeres. At this point, "crossing over" takes place, resulting in genetic variety.
Homologous chromosomes (one from each parent) pair along their lengths during meiosis. Chiasma points are where the chromosomes cross. The chromosomes split and reassemble at each chiasma, swapping some of their genes. Genetic variety is produced by this recombination. Homologous chromosomes link up and create synapses during prophase I, a process that only occurs during meiosis. The paired chromosomes are known as bivalents, and it is now clear that genetic recombination is what causes chiasmata to occur. These can be seen under a microscope thanks to chromosomal condensation.
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In animal cells, a pair of small cylindrical structures composed of microtubules that duplicate during interphase and move to opposite ends of the cell during prophase called.
In animal cells, a pair of small cylindrical structures composed of microtubules that duplicate during interphase and move to opposite ends of the cell during prophase called centrioles.
Describe centrioles.
The majority of eukaryotic cells contain centrioles, which are cylindrical organelles. At the center of the cell, they are found in pairs and are made of microtubules. Numerous cellular processes, such as the development of cilia and flagella as well as the structuring of the cytoskeleton, are carried out by centrioles. Centrioles also play a role in the development of the mitotic spindle, which divides chromosomes during animal cells. Additionally, centrioles play a role in intracellular transport and the construction of the centrosome, a component of the cell's microtubule organization system.To learn more about centrioles
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What is a shared property
between surfaces that
transmit?
A shared property between surfaces that transmit is their ability to allow the passage of energy or matter (such as light, sound, heat, electricity, etc.) from one side to the other.
What is transmit?Transmit is the act of sending a signal, message, or data from one point to another. It is a term used in telecommunications and information technology to refer to the act of sending and receiving information such as audio, video, text and data files over a communication channel. Transmit is used to facilitate communications and can include both wireless and wired connections.
This is due to the fact that all surfaces which transmit have a certain degree of permeability, which allows them to absorb and transmit energy or matter from one side to the other.
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The current at different positions in a series circuit before and after the bulb will
always
A. Be variable
B. Be the same.
C. Show an increase.
D. Show a decrease.
The current at different positions in a series circuit before and after the bulb will always be the same. Correct answer: letter B.
This is because in a series circuit, the same amount of current flows through each component. This means that the current before the bulb will be the same as the current after the bulb.
This means that the current through the entire circuit is the same and will not be affected by the resistance of any one component. This is due to the fact that the total resistance of the circuit is equal to the sum of the individual resistances of the components. As a result, the current through each component of the circuit will be the same as the current through the entire circuit.
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the classification that includes one or more families is called
An order is a taxonomic classification that includes one or more families. Many families are included in the order carnivore. A family is a taxonomic classification that includes one or more related genera.
Apes, monkeys, and humans are members of the Hominidae family. A taxonomic class is a grouping of one or more related orders. A genus, for example, has one or more species; a family, one or more genera; an order, one or more families; and so on. This taxonomic hierarchy category comprises several genera that have certain similarities. Canidae, Felidae, Ursidae, and other families belong to the order Carnivora.
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how does modern food production benefit from the use of gmos?
Increase crop productivity does modern food production benefit from the use of GMOS.
Genetically modified seeds have the potential to boost agricultural production or, at the very least, preserve the maximum yield of vegetation. With reduced crop losses and improved yields, GMO plants with insect and herbicide tolerance can substantially simplify crop management. The yields of GM soybean, cotton, and maize varieties were 20%, 15%, and 7% greater than those of non-GM varieties, respectively, according to Mannion and Morse.
Farmers all around the industry were convinced that businesses selling genetically modified seeds would boost output and profitability. According to GM seed producers, farmers were expected to adopt GM plants because the changes they were making provided them with immediate, tangible benefits that might be linked to higher yields.
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Why wa the ue of Biotechnology neceary concerning the creation of a new vaccine for Hepatiti B?
The use of biotechnology necessary concerning the creation of new vaccine for Hepatitis B is the expectations of public health benefit for low- and middle-income countries with the needs for commercial profitability on the one hand.
A significant turning point in the development of biotechnology and the system for vaccine creation was the licensure of a number of recombinant hepatitis B vaccines starting in 1986. In this paper, we demonstrate how a political and economic environment that newly encouraged the commercialization of scholarly research, including the appropriation and management of intellectual property, shaped the early development of the hepatitis B vaccines. We also clarify the varying interests and drivers that encouraged new biotechnology companies and established pharmaceutical businesses to invest in developing recombinant vaccines specifically against hepatitis B.
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what is the function of heart ?????
How would the running speed of the predator affect the diversity of the chipmunk population and the shape of the
graph after several generations?
Answer: A small, slow-growing individual. Running speed of predator. Natural selection is operating as an evolutionary mechanism for this chipmunk population.
What happened to the undigested food?.
Undigested food (and some water) travels to the large intestine from the small intestine via a muscular ring or valve that prevents food from returning to the small intestine.
Following nutrient absorption in the small intestine, undigested food is pushed to the large intestine.
Water and minerals are absorbed in the large intestine, and undigested food is transported to the terminal portion of the large intestine.
The large intestine's terminal section is divided into two sections: the rectum and the anus.
Undigested food is then temporarily stored in the rectum. Finally, feces are excreted from the body through the anus.
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PLS HELP ASAP!
Select two of the following examples showing how carbon atoms can move from a land plants (biosphere) to the atmosphere
1. a tree burned in a forest fire
2. marine plants are compacted over time becoming limestone
3. a plant is eaten by an animal and then carbon dioxide is released through respiration
4. seashells forming limestone are melted in a volcano which erupts
a tree burned in a forest fire
a plant is eaten by an animal and then carbon dioxide is released through respiration
A tree burned in a forest fire releases carbon stored in the tree in the form of carbon dioxide into the atmosphere.
When a plant is eaten by an animal, the carbon stored in the plant is released into the atmosphere through the animal's respiration as carbon dioxide.
Carbon atoms can move from land plants (biosphere) to the atmosphere when a plant is eaten by an animal and then carbon dioxide is released through respiration. Hence, option C is correct.
What is the carbon cycle?The exchange of carbon between the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of Earth occurs through the carbon cycle, a biogeochemical cycle. Both biological substances and many minerals, including limestone, mostly consist of carbon.
respiration, combustion, decomposition, and photosynthesis. Carbon enters plants and other living things through the atmosphere. Carbon dioxide, for instance, is a contaminant in the atmosphere.
When a plant is eaten by an animal and then carbon dioxide is released through respiration, then carbon atom moves from the biosphere to the atmosphere. Hence, option C is correct.
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1.
How many different kinds of coin were available in old Italy?
Around 90 different coin kinds were in use in Italy in 1859, creating a financial mess that was only resolved after the country was united. Consequently, establishing a currency union for the emerging business region was of utmost importance.
Italy's previous currency was the lira.The florin served as the benchmark for coinage throughout Europe and evolved into the preferred trade coin that was more valuable than silver. By introducing their own currencies, many European countries started to adopt the florin as their model. The Italian lira replaced the florin as the country's currency in the sixteenth century.
What currency do you believe to be the oldest?Stator of Lydia The World's Oldest Coin. Various academics contend that the Lydian stater is regarded as the oldest coin remaining in existence. These ancient coins, known as electrum, were produced in the country of Lydia, in what is now modern day Turkey, circa 600 BCE.
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