If a cheetah runs 10 meters north and then 12 meters south for 10 seconds what is the cheetah's velocity ?

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.

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates