Describe the two native american empires that fell to the spanish. include their locations, ways of living, leaders, accomplishments, and weaknesses.

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.

The science for classifying and naming organisms is known as

What terms describes being out of water after being submerged