Scientists have used the fossil record, evidence of change, and mass extinction to develop which of the following time scales?

a. precambrian time scale
b. geological time scale
c. fossilogical time scale
d. earth history time scale

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.

What body of water is the second cataract of the nile river submerged under

Which measure of humidity, relative humidity or dew point, best describes the actual quantity of water vapor in a mass of air