What is mars atmosphere mostly made up of?

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.

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4

How can minerals crystallize from materials dissolved in water? check all that apply.