True or false the period of an element is the amount of time it takes for half of a radioactive isotope to decay

Explain nonnuclear inheritance. ~ ap biology

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.

Explain the difference between incomplete dominance and codominance