What is the complete ionic equation for Zn and Water

Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.

The rules of engagement (roe) working group is often used to (select all that apply.)

Why are people not able to scuba dive in the deep part of the ocean