Which element is not found in large quantities in earth’s mantle?
a. silicon
b. oxygen
c. iron
d. carbon

Texas is the largest state in the union. t f

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 is the border between layers a through f and layer g called?