5. What determines the tempera-
ture of atmospheric layers?

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.

What is the difference between how ionic and covalent bonds form