What geographic feature is described below?

a large, mostly treeless grassland in south america, especially in argentina

a. highland
b. canal
c. pampas
d. llano

Which of the following statements about pesticides and residue is false? a. most conventionally grown produce has detectable levels of pesticides when purchased from the store.b. the us government has determined that small levels of pesticides in produce is safe for humanconsumption.c. organic produce always will be pesticide-free.d. farm workers, children, and pregnant women are at greatest health risk from pesticides. select the best answer from the choices provided.

As water is cooled from 4 c to 0 c its density

During which era in earth's history were the first insects? mesozoic precambrian cenozoic paleozoic