The charge on Pb in Pb(SO3)2 is Lead (IV) Sulfite.
Answer:
Fossil B
Explanation:
Fossil B is older because it's later is at the bottom
Hydrogen oxygen argon carbon hope you get a 100
The correct option is D.
During peptide formation, when two amino acids come together, a hydrogen atom and two molecules of oxygen are released in form of water molecules. The amino acid that present the carboxyl group to the reaction loses an hydroxyl group while the amino acid that present the amino group to the reaction loses a hydrogen.
1. A
2.C
3.A
4.C
5.B
I really hope this isn't cheating and that you can actually do this for yourself and you just want to double check. To study just read the Scientific Method and memorize it