Answer:
molecule
Explanation:
because water aka h20 is a molecule
Answer: A
Explanation: Ripple marks are sedimentary structures and indicate agitation by water (current or waves) or wind.
B - FRONTS occur when two AIR MASSES meet!
All nucleic acids are made up of the same building blocks (monomers). Chemists call the monomers "nucleotides." The five pieces are uracil, cytosine, thymine, adenine, and guanine. No matter what science class you are in, you will always hear about ATCG when looking at DNA.
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