Water is made of matter because it's made up of atoms to make matter which can equal water,etc

Each element is made of only one atom.

The smallest unit of a chemical.

A charge or a list of atoms.

Formed when two or more atoms you put together, either the same two atoms or two different atoms.

Made of two or more atoms that are different joined together.

(of a letter, figure, or symbol) written or printed below the line

a multiplier or factor that measures some property

the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.