Producers make up more biomass than primary consumers because

There are more producers than consumers, thus there is more biomass left.

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

voluntary muscles are controlled by the cerebellum.