(a. true b. false) a biogeochemical cycle is a process by which a chemical substance moves through both the biosphere and the lithosphere, atmosphere, and hydrosphere compartments of earth.

At which point on the diagram do convection currents occur to drive plate movement?

What must happen for new french words to be published in official dictionaries? a. they must be approved by the french academy b. they must be voted on by the people of france c. they must be used by famous french writers d. they must be used by philosophers a. they must be approved by the french academy

The english language is part of which language family? a. alatic b. dravidan c. indo-european d. khoisan