Answer:
DNA is made of chains of four smaller molecules called "Nucleotides".
Explanation:
A molecule consisting of a nitrogen-containing base (adenine, guanine, thymine, or cytosine) in DNA is known as a nucleotides.
Seeing that our species is constantly evolving, maybe it is starting to get more uncomfortable to walk on all fours.
to be honest me neither dude
Answer:
d) sedimentary, metamorphic and igneous
