Minor items such as nails and glue are usually considered to be indirect materials.
Indirect materials refer to materials that are used in the production process but do not become part of the finished product. These materials may include items such as office supplies, cleaning supplies, and fuel for equipment. They are considered indirect because they are not directly traceable to the finished product and are typically used in support of the production process. Indirect materials are considered overhead costs, as opposed to direct materials which are direct costs associated with the production of a specific product.
Additionally, indirect materials can include items such as packaging materials, lubricants, and adhesives. They are typically considered indirect costs because they are not specifically identifiable with a particular product or job and cannot be easily traced to a specific unit of production.
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Which type of biological molecules often serve as enzymes that speed up chemical reactions?
O nucleic acids
O carbohydrates
O proteins
O lipids
Answer:
C. Proteins
I believe
there are two types of nucleic acids, dna and rna. nearly all organisms use dna, not rna, as the central repository for genetic information. t or f
The double-stranded structure of DNA ensures a precise mechanism of duplication.
DNA is more resistant to nucleic acid degrading enzymes.
Before each cell division, all organisms must duplicate their DNA with extreme precision. In this section, we'll look at how an elaborate "replication machine" achieves this level of precision while duplicating DNA at speeds of up to 1000 nucleotides per second.
This process requires the separation of the two strands of the DNA helix and the recognition of each nucleotide in the DNA template strand by a free (unpolymerized) complementary nucleotide. This separation exposes the hydrogen-bond donor and acceptor groups on each DNA base, aligning it for base-pairing with the appropriate incoming free nucleotide and polymerization into a new DNA chain via enzyme-catalyzed polymerization.
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What are the 2 main components of Mendel's law of Independent Assortment?.
Mendel's Law of Independent Assortment states that different genes are inherited singly of one another.
This means that the heritage of one gene doesn't affect the heritage of any other genes. The two main factors of Mendel's Law of Independent multifariousness are 1. Law of Segregation This law states that each gene comes in dyads and that each parent will contribute one allele( a variant of a gene) to their seed. When the egg and sperm join during fertilization, the alleles from the different parents will aimlessly mix and the seed will have a combination of the alleles from both parents. 2. Law of Independent Assortment This law states that the alleles for different genes will be inherited singly of each other. This means that the heritage of one gene doesn't affect the heritage of any other genes. So, the combination of alleles that an seed receives is determined by the combination of alleles that the parents passed down.
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Shoulder girdle bone that articulates anteriorly with the sternum called?
Shoulder girdle bone that articulates anteriorly with the sternum called clavicle.
What is sternum?
The sternum, or breastbone, is a long flat bone located in the center of the chest between the clavicles and rib cage. It is an important part of the human body as it helps to protect vital organs in the chest, such as the heart and lungs. The sternum is made up of three parts: the manubrium, the body, and the xiphoid process. It is connected to the ribs by costal cartilages and the clavicles. It is essential for anchoring the muscles that move the arms and shoulders. It also provides a base for the attachment of the muscles involved in breathing. Its shape varies from person to person, but is usually somewhat flat and triangular. Its length is usually about six inches in adults. The sternum is an important part of the human body and plays a vital role in respiratory and skeletal function.
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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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Is atrial fibrillation with rapid ventricular response serious?
Rapid or fluttering heartbeat is one of the signs of AFib with RVR. Additionally, you can also feel faint or have chest pain or have trouble breathing. It has to be treated since it can lead to major consequences.
It sounds fancy, but an erratic heartbeat is known as atrial fibrillation with rapid ventricular response. An excessively rapid heartbeat might result from improper electrical signalling in the heart. Atrial fibrillation, sometimes known as AFib for short, is the medical term for this irregular cardiac rhythm. The two top chambers of the heart, known as the atria, are where the malfunctioning signals begin in the majority of patients. The two upper chambers of the heart, called the atria, beat erratically and chaotically during atrial fibrillation, which causes the ventricles, the heart's two lower chambers, to beat in a different rhythm. The two bottom chambers of your heart, known as the ventricles, may occasionally beat too fast due to the signals that aren't functioning properly.
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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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How is a LENS different than a mirror?
Answer:
The mirror is glass with one side silvery backing produces an image by reflection on only one surface. The lens is a transparent substance that produces images by refraction in any surface of the two surfaces. It can be plane or curved.
Explanation:
Answer: The mirror is a device based on the principle of reflection whereas the lens is based on the principle of refraction.
How many oxygen atoms can be transported by each hemoglobin molecule?
A. 2
B. 4
C. 8
D. 16
The correct answer is B. 4. Each hemoglobin molecule can bind to and transport four oxygen atoms.
what is hemoglobin ?Hemoglobin is a protein found in red blood cells that is responsible for transporting oxygen from the lungs to the body's tissues and transporting carbon dioxide from the body's tissues to the lungs. The hemoglobin molecule is composed of four subunits, each of which contains an iron-containing heme group that binds to oxygen. The binding of oxygen to hemoglobin causes a conformational change that increases the oxygen-carrying capacity of the protein. Hemoglobin also plays a role in maintaining the acid-base balance of the blood by binding and releasing protons in response to changes in the body's acid-base balance.
Each hemoglobin molecule can bind to and transport four oxygen atoms.
This is because each hemoglobin molecule is composed of four subunits, each of which contains an iron-containing heme group that binds to one oxygen atom. Therefore, a total of four oxygen atoms can be bound and transported by a single hemoglobin molecule. Hemoglobin's ability to bind and transport oxygen is crucial for maintaining oxygen homeostasis in the body and is essential for the survival of aerobic organisms.
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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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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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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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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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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 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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Which of the following is least likely to produce recombinant chromosomes? A., crossovers between homologous chromosomes
Choice B., crossovers between non-sister chromatids
Choice C., crossovers between sister chromatids
Crossovers between sister chromatids is least likely to produce recombinant chromosomes.
What is chromosome?
A chromosome is a lengthy DNA molecule that contains all or part of an organism's genetic code. The histones, which are the most significant of these proteins in eukaryotic cells, cover the vast majority of chromosomes' incredibly long, thin DNA fibres. In order to preserve the integrity of the DNA molecule, these proteins condense and attach to it with the help of chaperone proteins. These chromosomes' complex three-dimensional structure is crucial for controlling transcription.
Protein and a single DNA molecule combine to generate the thread-like chromosomes that carry genomic information from cell to cell. Humans and other creatures, including plants, have chromosomes in their cell nuclei.
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what are the four most abundant elements found in living systems?
Answer:
oxygen, carbon, hydrogen, nitrogen, sulfur, and phosphorus.
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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Drag each tile to the correct box. Arrange the sentences in order to describe how oxygen from air is transported to the cells in the kidneys.
The lungs' bronchioles allow air to enter and travel to the alveoli. In order to transmit oxygen to the arteries, the capillaries conjoin.
What helps transport nutrients oxygen and waste products to and from cells?Cells receive oxygen and nutrients from the circulatory system, while waste is removed. Different sides of the heart pump blood that is oxygenated and blood that is not. Among the different blood vessel kinds are arteries, capillaries, and veins.A network of blood arteries transports oxygen-rich blood from the aorta to the kidneys.The main oxygen carrier in humans is haemoglobin (Hgb or Hb). Only 2% of the total oxygen carried by the blood is dissolved in the plasma directly; the majority, about 98%, is linked to haemoglobin.In the lungs, new oxygen enters the bloodstream for distribution throughout the body. Exhaling causes carbon dioxide to leave the body. respiratory system Carbon dioxide removal from the body is the responsibility of the respiratory system.To learn more about oxygen refer to:
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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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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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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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PLEASE HELP!!
analyze the cost vs benefit of space travel
and exploration, conduct a research report and made a short
proposal to the government with your opinion to the question
"SHOULD WE CONTINUE TO FUND SPACE
EXPLORATION"
Be sure to identify some of the specific costs, and outline in
brief detail some of the positive benefits that have come out of
space programs.
Your report should be no longer than a page. Don't forget to cite
any resources using proper APA format
The Roper Center database is rich with polls regarding government involvement in space exploration,starting as far back as the 1960s.Unfortunately, space exploration in general,and public versus private involvement in it.More recently,however,there has been an increase in the type and amount of surveys on the issue.Polls from a variety of sources such as Social Sciences Research Solutions.
The space exploration industry is in a new era,and the public seems to know what they want from it.Overall,the public is largely content with NASA's level of spending,with about equal percentages wanting to see an increase or decrease.The public also values public-private partnership more than the federal government or private enterprises working alone,altough there is reason to believe that this desired relationship places NASA in the driver's seat.There is substantial academic reasoning for the differing stances on public and/or private involvement,with real examples or input from those directly related to the industry,the support one dynamic or another.
what is the function of heart ?????
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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the region between the epidermis and the vascular cylinder of plant roots is called
The region between the epidermis and the vascular cylinder of plant roots is called cortex.
This area plays an important role in the growth and development of the root system, providing a space for the storage of nutrients, water, and other substances essential for the plant's health.
The cortex also helps to regulate the absorption of water and minerals from the soil, as well as the exchange of gases between the root and the surrounding environment.
Additionally, the cortex provides a structure for the root to anchor itself in the soil, ensuring that the plant remains firmly planted and is not easily uprooted.
The cortex is the main storage area for water and plant nutrients, and is responsible for providing a protective barrier against physical damage and disease to the root.
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surrounding the myofibrils are membranous sacs called the
Surrounding the myofibrils are membranous sacs called the sarcoplasmic reticulum. The sarcoplasmic reticulum is a type of endoplasmic reticulum.
The smooth endoplasmic reticulum does not contain ribosomes. The sarcoplasmic reticulum is a special type of smooth endoplasmic reticulum that is found in muscle cells.
Myofibrils are protein filaments, which are present in the striated muscles. The sarcoplasmic reticulum is found inside the myofibrils. The sarcoplasmic reticulum is a membranous structure that is surrounded by calcium ions. The calcium ions in the sarcoplasmic reticulum perform many functions such as muscle contraction and relaxation.
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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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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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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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