Answer:
Mainly rainfall, temperature and situation.
Inability to control variables
Answer:
Mass is the amount of matter in a substance measured in kilograms
Your answer is C the objects should attract to each other due to Newton's laws.
<span>ENZYMES ARE PROTEINS. All proteins are made up of amino acid.. Enzymes are used as catalysts in metabolic reactions in living organisms. They help to speed up the rate of chemical reaction but they are not used up in the reaction. Enzymes requires optimum conditions to function optimally. </span>