Answer:
H2O
Explanation:
Water molecule is made of 2 hydrogen atoms bonded with covalent union (sharing electrons) with 1 oxigen molecule
Relative dating best helps determine fossil age. It's where layers of sedimentary rock and fossils pile up on top of each other; the oldest fossils being in the bottom layer and the youngest in the top.
I think that question is true don’t but not sure
Answer: A. It resulted in patient consent being required for tissues to be used in research
Explanation: Good luck for the rest of ur test and feel free to let me know if u need anything else!