What is a flowering seed plant called?

The deserts of the sahara and australia are associated with

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.

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.