Explanation:
because the tilt of the earth on its axis
The answer is
D. another natural disturbance
Answer:
1. Purines
2. States that DNA composition varies among species
3. Hydrogen Bond
4. Purines
<em>Answer to #2 is a little iffy </em>-- sorry
Explanation:
Pyrmidines have two rings
Purines have one ring
Complementary bases are connected by hydrogen bonds.
Answer:
pretty sure the answer is D
Explanation:
brainliet plz