Plants make food through photosynthesis, a chemical reaction.

What are the starting substances of the reaction?

oxygen, solar energy, and water

carbon dioxide, solar energy, and oxygen

hydrogen, oxygen, and carbon

carbon dioxide, water, and solar energy

How are rocks that cooled within magma chambers found on earth’s surface today? they are pushed up by magma under earth’s surface. they are revealed by erosion of earth’s surface over time. they are pushed to earth’s surface because of their larger size. they are revealed at earth’s surface due to their low density.

When water freezes, it . contracts expands

Time ! for a smell to begin the process of registering in your brain, first you must a) inhale odor molecules into the nasal cavity b)transduce scent chemicals c)have a scent to inhale d)all answers can work