Answer:
The answer is D.
Explanation:
Farmers have to continuously use the pesticides once used the first time because they have become an indispensable part of an agricultural cycle.
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As viruses cannot reproduce by themselves, they depend on the host cells that they infect to reproduce
Answer:
Even in a chemical reaction when atoms interact and create new products, mass is conserved. This is because the new substances created are composed of atoms that were present in the reactants. The atoms from the reactants come apart, rearrange, and re-bond in a different arrangement to form the products.