Explanation:
you must add activation energy to initially break the chemical bonds. Catalysts simply lower the activation energy needed to do the chemical reaction going. reactions to occur without themselves being used up in the reaction. Energy is usually needed to break the bonds and get the reaction going.
1 out of 5 is 1/5.
Divide that and you get .20, which is 20%, so that is your answer, 20% fat.
Answer:
cells are so small because it is structural functional unit of an organism which can be only seen through microscope
A. Is the correct answer :)
