Answer:
They can occur anywhere from thousands to billions of years.
Answer:
Well, it's based on your answers, honestly. you did not post them
DNA is a long molecule that consists of two strands of nucleotides twisted together in a long spiral called a double helix<span>. 1. Each </span>nucleotide<span> contains a sugar, a phosphate, and one of the four </span>bases<span>: (A = adenine, ___ = cytosine, ___ = guanine, or ___ = thymine). </span>2<span>.</span>
A. Solar energy drives both weather and the water cycle.
