Consequently, the intermolecular forces strength increases in the order as follows: CH4<CH3CH3<CH3CH2CH3.
The boiling point of an alkane molecule will increase with its mass. As more heat is needed to dissolve the connections between atoms, this indicates that forces of attraction will be stronger when mass is greater. So, the boiling point is higher. The interaction between molecules (intermolecular forces) is a delicate balancing act between the attraction of a molecule's nucleus to nearby electrons and the repulsion of its outside electrons. As a result, the provided molecules have a mass of 16.04 g/mol for CH4, 44 g/mol for CH3CH2CH3, and 30 g/mol for CH3CH3. Thus, it is clear that CH4 has the least mass while CH3CH2CH3 has the highest mass.
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complete question: Place the following compounds in order of increasing strength of intermolecular forces. (A)Ch4 (B)ch3ch2ch3 (C)ch3ch3
the green color of a plant comes from which pigment
Chlorophyll, the green pigment in leaves, absorbs the red and blue wavelengths of sunlight. As a result, the light that the leaves reflect has less red and blue in it and appears green instead.
What do you mean by chlorophyll?Any of several closely similar green pigments called chlorophyll can be found in cyanobacteria as well as in the chloroplasts of algae and plants. Plants can absorb energy from light thanks to chlorophyll. In the blue and red parts of the electromagnetic spectrum, chlorophylls absorb light most effectively. On the other hand, it exhibits low absorption in the green and near-green regions of the spectrum. Because cell walls and other structures diffusively reflect green light, tissues that contain chlorophyll appear green as a result. The photosystems of green plants contain two different forms of chlorophyll: chlorophyll a and b.
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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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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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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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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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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. Most sharks have a low reproductive potential which of the following factors might contribute to this?
A. Long reproductive cycles (long period. Of time between mating cycles).
B. Slow growth and delayed maturation.
C. Small brood (amount of young) sizes.
D. All of the above
2. Which of the following may cause the carrying capacity of an ecosystem to change ?
A. A dam diverts a large portion of the river
B. A logging company removed acres of trees.
C. A disease come through and wipes out 80% of the wild berries.
D. All of the above.
3. Which of the following would not be the most likely cause of a large number of density-dependent deaths in population?
A. Winter storms.
B. Diseases-carrying insects
C. Predators
D. Limited resources
4. Infant mortality rates are least affected by
A. Average income
B. Patients access to education
C. Clean water
D. Adequate food
Answer:
1. B-slow growth and delayed maturation
2.D-all of the above
3.A-winter storms
4.D-Adequate Food
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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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:
have great day
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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Matching. _____ is evolution within a _______ , while _______ is the _____ of one type of organism to another type of organism.
word bank:
organism
species
change
Preservation
macroevolution
herd
Microevolution
Answer:
__Microevolution___ is evolution within a ___species____ , while __macroevolution_____ is the _change____ of one type of organism to another type of organism.
Explanation:
Hope it helps:)
Answer:
Microevolution is evolution within a species, while macroevolution is the change of one type of organism to another type of organism.
cells grown in a petri dish tend to divide until they form a thin layer covering the bottom of the dish. if cells are removed from the middle of the dish, the cells bordering the open space will begin dividing until they have filled the empty space. what does this experiment show?
cells grown in a petri dish tend to divide until they form a thin layer covering the bottom of the dish. if cells are removed from the middle of the dish, the cells bordering the open space will begin dividing until they have filled the empty space. this experiment show The controls on cell growth and divisions can be turned on and off.
In a petri dish, cells are cultured with a propensity to multiply until a thin layer covers the dish's bottom. The cells bordering the empty space will start to divide once the cells in the dish's middle are removed, eventually filling the space. Cell division is the process by which unicellular creatures reproduce, whereas in multicellular organisms, it is the process by which tissues grow and are maintained. It is crucial to maintain a balanced distribution of cell types because interactions between various cell types are vital for the survival of eukaryotes. Cell growth, a well controlled process, enables this. Although various cell populations have varied systems for controlling their growth and division, multicellular organisms often share the same fundamental principles.
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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.
at what age will the five bones of the sacrum start fusing together
The sacrum is composed of five fused sacral vertebrae bones. The five bones of the sacrum start fusing together at the age of 18-25 years.
The human vertebrae column consists of 33 vertebrae. The vertebrae coloumn, also known as spine, contain sacrum that is made up of 5 fused vertebrae bones. The five bones of the sacrum form a triangular structure.
Sacrum can be found between the 2 hipbones and it connects the vertebrae column to the pelvis. At late adolencent, the five sacrum bones start fusing and provide structural support and flexibility to the hips and pelvis.
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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 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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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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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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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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What is the color of chlorophyll a pigment responsible for the color of the leaves and some stems?.
The color of chlorophyll a pigment responsible for the color of the leaves and some stems is green.
Chlorophyll is the pigment thаt gives plаnts their green color. This pigment is necessаry in order for plаnts to mаke their own food during the process of photosynthesis.
Chlorophyll is referred to аs а photoreceptor. Photoreceptors аre speciаlly designed proteins thаt receive аnd respond to light. Since chlorophyll is а photoreceptor, it is аble to detect light. When light from the sun hits these photoreceptors, the photoreceptors аre аble to аbsorb energy from the sun аnd cаrry out photosynthesis.
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Answer:
The color of chlorophyll a pigment responsible for the color of the leavesand some stems is green.Chlorophyll is the pigment thаt gives plаnts their green color. This pigment is necessаry in order for plаnts to mаke their own food during the process ofphotosynthesis. Chlorophyll is referred to аs а photoreceptor. Photoreceptors аre speciаlly designed proteins thаt receive аnd respond to light. Since chlorophyll is а photoreceptor, it is аble to detect light. When light from the sun hits these photoreceptors, the photoreceptors аre аble to аbsorb energy from the sun аnd cаrry out photosynthesis.
Explanation:
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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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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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 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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what is the name of the canal that connects osteons to other osteons?
A central canal known as the osteonic (haversian) canal and concentric rings (lamellae) of the matrix make up the osteon. Volkmann's-canals, also known as perforating canals, connect osteons to the periosteum and to each other.
The osteon, the primary structural element of compact (cortical) bone, which is composed of concentric bone layers known as lamellae, surrounds the Haversian canal. Small blood arteries in the Haversian canal provide blood to osteocytes, or individual bone cells. Osteons are 0.2 millimeters in diameter and several millimeters long; they typically run parallel to the long axis of a bone. Osteons are structures that are specific to mature bone that take shape during the process of bone remodeling, or regeneration.
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Why doe the cience of ynthetic biology till need to adhere to the
principle of the urface-area-to-volume ratio?
The time it takes for things to diffuse increases as the ratio decreases.
In synthetic biology, biological processes and cells are broken down and put back together to create new systems that perform useful functions. Deoxyribonucleic acid (DNA) encodes designs; DNA creates biological (bio-)parts; bioparts are assembled to create devices; gadgets are integrated into biological systems.
Volume grows more quickly than surface area as a cell gets bigger because volume is squared but surface area is squares.
Diffusion takes longer and is less efficient when there is more volume and less surface area. This is due to the fact that a larger region must receive the material that is being dispersed, but that there is a smaller area available for the chemical to actually enter the cell.
Cells actually divide for this reason. They lose efficiency and split in half to increase the surface area to volume ratio when they grow too big and take too long to transfer materials across the cell.
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Check all statements below that are true
All organisms must compete for survival
Statements true according to law of natural selection are:
Some organisms have phenotypes that make them better competitors than others in their environment.Animals undergo natural selection, but plants and other organisms generally do not.Natural selection continues to occur even today.Phenotypes found in the most successful members of a species become the most prevalent after several generations.A decrease in food availability will increase the variation in a population.What is Natural selection?Natural selection is the process by which certain traits become more or less common in a population over time as a result of differential survival and reproduction of individuals with those traits.
It is a key mechanism of evolution and is based on the principles of variation in traits among individuals in a population, heritability of traits, and differential reproductive success of individuals with certain traits. Through natural selection, traits that provide an advantage in survival and reproduction become more common in the population, while traits that are detrimental become less common.
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The complete question is:
Check all statements below that are true.
All organisms must compete for survival.
When organisms struggle to survive, they usually mutate to increase chances of reproduction.
Some organisms have phenotypes that make them better competitors than others in their environment.
Animals undergo natural selection, but plants and other organisms generally do not.
Natural selection continues to occur even today.
Phenotypes found in the most successful members of a species become the most prevalent after several generations.
A decrease in food availability will increase the variation in a population.
what is the function of heart ?????
