chemical formula??! do you mean O2
Answer:
Make reclamation mandatory after limestone has been removed
Explanation:
1) D chromosomes
2) B a double helix
3)A chromosomes are made of DNA
4)A genes
Prokaryotes are organisms whose cells lack a nucleus and other organelles. ... Prokaryotic cells are surrounded by a plasma membrane, but they have no internal membrane-bound organelles within their cytoplasm.
sorry if i'm wrong
i'm new to brainly
