What is the name of the location on the surface of earth that receives insolation when the sun is directly overhead? (when this occurs, the sun's rays are perpendicular to this surface.) north polar point?

Which of the following is an environmental cost of agriculture? a. agronomyb. cash cropsc. pollutiond. crop rotation

Which phrases describe oxygen's roles in earth’s atmosphere? check all that apply. allows fuels to burn forms clouds that produce rain is the gas that animals breathe is used by plants to produce food forms ozone that absorbs the sun's harmful rays

In africa what do they call a crop grown for direct sale and not for use?