What happens in a chemical reaction? A. Substances change in appearance but do not in chemical composition. B. Substances change from solid to liquid or gas. C. Substances interact to form one or more new substances. D. New atoms are created or destroyed. Other:

Choice C

Explanation:

Chemical reaction is basically when one or multiple substances would form  into one or more new substances.

answer; ////increased water pollution; ///////////////////////

a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.