Answer: A catalyst is a chemical that increases the rate of a chemical reaction without itself being changed by the reaction. The fact that they aren't changed by participating in a reaction distinguishes catalysts from substrates, which are the reactants on which catalysts work. Enzymes catalyze biochemical reactions.
Explanation: dont need one read that or look it up idk
There's the cumulus, stratus, the cirrus and the nimbus.
Height- people can be short or tall base on their genes this is dependent on your parents
Chloroplasts are found in plant cells.chloroplasts absorb sunlight and when used with water and carbon dioxide to produce food for the plant (the food is mostly called sugar for the plants).
