Matter is conserved

is the process by which plants break down sugar.

The substances you start with in the chemical reaction.

The substances that form as the result of a chemical reaction

is the process in which plants make sugar.

sugars + oxygen are the reactants in the photosynthesis process {true or false )

The most Element exist in the air ?

A scientific law that states that matter is neither created nor destroyed during a chemical reaction. It only changes forms.

The most two Elements exist in the water

carbon dioxide + water are the reactants in the Respiration process ( true or false )

The most element exists in the Earth crust