Human activities in the united states such as burning fossil fuels for electricity, heat, and certain transportation.
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When a plant forms new tissue at the tips of its roots and Stems, this new tissue growth is a direct result of Cell division.
Answer:This law states that, despite chemical reactions or physical transformations, mass is conserved — that is, it cannot be created or destroyed — within an isolated system. In other words, in a chemical reaction, the mass of the products will always be equal to the mass of the reactants.
Explanation: