its d . electron because it has a negative charge of however many there are that are circling the atom
The rules of base pairing explain the phenomenon that whatever the amount of adenine (A) in the DNA of an organism, the amount of thymine (T) is the same (Chargaff's rule). Similarly, whatever the amount of guanine (G), the amount of cytosine (C) is the same.
<span>Im pretty sure the answer is B) Pupil, lens, retina, optic nerve
hope this helps :)</span>
Answer:
Only Water, Oxygen, Nitrogen and ammonia
Explanation:
Answer:
B
Explanation:
The whole point of natural selection is for animals to compete to survive in that specific environment
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