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antiseptic1488 [7]
3 years ago
11

What is carbon fixation?

Biology
1 answer:
irina1246 [14]3 years ago
8 0

Answer:

D.both A and B

Explanation:

because if there some option,like abcd and the letter d. is both a and b that is the correct answer.

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What type of muscle action would expend the highest amount of energy at a fixed resistance level over a comparable duration?
storchak [24]

An olympic high diver has gravitational potential energy because of her height anxiety type of muscle action would expend the highest amount of energy at a fixed resistance level over a comparable duration.

Everyone experiences anxiety occasionally, but persistent anxiety can reduce your quality of life. Though likely best known for altering behavior, worry can have resistance effects on our resistance health. Anxiety speeds up our heartbeat and breathing, concentrating blood flow to the parts of our brains that need it. You are getting ready for a challenging situation by having this extremely bodily reaction. Test performance may be impacted by anxiety. According to studies, pupils with low levels of test anxiety perform better on multiple-choice question (MCQ) exams than pupils with high levels of anxiety. Studies have indicated that female students have greater levels of test anxiety than male students.

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6 0
2 years ago
Which geometric solid is the best model for these cells?
Ilya [14]

Answer:

D. A cube

Explanation:

Epithelium cells are a type of cell that has a simple cuboidal epithelium that consists of only a single layer of cells that are cube-like or cuboidal in shape.  These cells have large, spherical nuclei present in the center. These cells are cube-shaped cells

5 0
3 years ago
Arachidonic acid (ARA) and docosahexaenoic acid (DHA) are two long-chain fatty acids necessary for the development of Multiple C
lana [24]

Answer:

The correct answer is: the nervous system, brain, and eyes.

Explanation:

Arachidonic acid (ARA) and docosahexaenoic acid (DHA) are long-chain polyunsaturated fatty acids that have great nutritional value, as they are omega-6 and omega-3 fatty acids, respectively, meaning they are essential fats that cannot be produced by the body and, therefore, need to be part of the diet.

The consumption of ARA and DHA has been directly linked to the development of the brain and the retina, and the inclusion of these fatty acids in the nutrition of infants has been proven to be extremely beneficial to their growth.

Besides their functions in the development of the nervous system and the eyes, ARA and DHA play a role in maintaining a healthy immune system and preventing cardiovascular conditions.

7 0
3 years ago
Vertebrates developed about 550 million years ago. the oldest vertebrate fossils are those of _____ with no jaws.
jarptica [38.1K]
Vertebrates developed about 550 million years ago. The oldest vertebrate fossils are those of FISH with no jaws. These e<span>arly jawless fish did not have paired fins and their bodies were covered with heavy, bony scaled, but their skeletons were made of cartilage. For the next 50 million years, they were the only vertebrates.</span>
3 0
3 years ago
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which of the following is an example of epithelial tissue? A) Bone B) Skin C) Fat D) Muscle User: which of the following tissue
lions [1.4K]
<span>Answer B, skin, is an example of epithelial tissue. All other answer are examples of different types of tissue; Bone being osseous tissue, fat being connective tissue and muscle being muscle tissue. Nervous tissue is one of the types that has cells that expand across the entire human body. Nerves can be both long and reach every corner of the body. The other type of tissue that can cross the entire body is epithelial. This type of tissue does not produce large cells that span great distances on/in the body. But, these cells do provide the lining throughout the body and are the tissue that makes up the protective layer called skin. Both connective tissue and muscle tissue form large amounts of tissue in the body but they do not expand to all reaches of it.</span>
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3 years ago
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