Write one good paragraph to explain 1) At least one way humans use the environment (could be from history or modern times)
2) How they have benefited from that use (consider social and economic benefits)
3) Was the impact of their use positive or negative? Why?

Which of the following does not determine the type of magma to erupt from a volcano? a. temperature b. gas content c. viscosity d. silica content what kind of volcano forms from basaltic magma with low-viscosity and low-gas content? a. shield volcano b. stratovolcano c. composite-cone volcano d. cinder-cone volcano what is viscosity? a. a rising mass of mantle abnormally hot and / or wet b. a pool of magma beneath the overlying crust c. what causes a bend to occur in the rock layer d. a measure of a fluid's resistance to flow