Answer:
either oxygen or argon, because they are both in the atmosphere
Explanation:
Answer:
The possible letters are A, C, G, and T, representing the four nucleotide bases of a DNA strand — adenine, cytosine, guanine, thymine — covalently linked to a phosphodiester backbone.
Explanation:
Answer:
other answer is right but they got the letter wrong, its answer B: Birth defects
Explanation: