Answer:
idk but good luck i hope you get it right
Explanation:
Answer:
21%
Explanation:
To remember this percentage, use the amount of land and water on earth, like this: 3 (land) x 7 (water) = 21
(note: oxygen does not change depending on land or water amount)
Answer:
A pairs to T. & G pairs to C
Explanation:
Adenine = Thymine
Guanine = Cytosine
Answer:
B. found in every living thing
Explanation: