Which statement best describes a reason why people changed their minds about the shape of the earth?
The Earth is round because we know that the surface is flat.
The Earth is round because we have night and day.
The Earth is round because people have sailed around the world.
The Earth is round because the Sun is round.

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.

Which water sources contribute to a river system? check all that apply. groundwater lakes rivers streams watersheds

This image shows a volcanic eruption in hawaii with lava flowing into the sea. which statements best describe this eruption? check all that apply. its magma is high in silica. its magma has low viscosity. its lava came from a quiet eruption. its lava sets fire to everything in its path. its lava came from an explosive eruption.