What information does a molecule formula provide?

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

Is powdered sports drink ionic or covalent ? 10pts !

What is a number added in front of a formula in order to balance the equation