Molecules can be constructed by combining atoms of the same element. true or false?

What is the effect of returning nuclear reactor cooling water back into bodies of water?

Describe the process that was used in this lab to create magnesium oxide, specifically identifying the type of chemical reaction. explain why the product had a higher mass than the reactant, and how this relates to conservation of matter.

My plate recommends that of your nutritional intake comes from fruits and vegetables. a. 30% b. 50% c. 20% d. 40%