When might a gas treatment be used to control microbial growth instead of autoclaving? what are some examples?

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.

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

Explain how organisms could be harmed by high levels of salt from roadways?