1.D 2.A that is pretty hard
the element hydrogen atom is made up of oxygen atoms.
Answer:
B I think I am pretty sure
Answer:
Prokaryotes are unicellular organisms that lack membrane-bound structures, the most noteworthy of which is the nucleus. ... While prokaryotic cells do not have membrane-bound structures, they do have distinct cellular regions. In prokaryotic cells, DNA bundles together in a region called the nucleoid.
