When rearranging the formula for density, mass is equal to: ?

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease