Name the exotic plant from south africa that was introduced in lake victoria

In a mercantilist system a country tries to increase its blank and decrease its blank

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.

Distance that the transcontinental railroad covered from omaha to san francisco.