The correct answer would be d.
The structure is a helix structure.
The four bases are
adenine (A), guanine (G)
cytosine (C), and thymine (T).
The pairing are
Adenine (A) always pairs with thymine (T), and guanine (G) always pairs with cytosine
Answer:
Convection currents are what cause the warmer molten material to rise up, and when it cools, to sink back down.
Explanation:
False
Environmentalists are complaining now about so-called "issues" more than ever.
B photosynthesis creates oxygen and glucose or sugar that we use to breath
