The diagram shows a chemical reaction that occurs between hydrogen and oxygen. Which scientific law is BEST demonstrated by the reaction shown in the diagram? A. law of angular momentum B. law of universal gravitation C. law of conservation of mass D. law of conservation of energy

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.

How have the greenhouse gasses increased from the year 2000 to 2018

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.