Explanation:
Bacteria is an organism that is used to break down chemical wastes in treatment plants. They are used for the processing of waste and for converting trash into less toxic substances. These bacteria are heterotrophic microbes, and they help in decreasing the toxicity of the environment.
Resistant insects would reproduce and pass on the tolerance making the pesticide obsolete.<span />
C) matter is changed into various forms but the total quantity remains unchanged.
Answer:
1:2:1 is the genetic crosses
