Earth science- there wasn't a category for it, so i put it under biology.

basaltic magma is the type of magma.

a. least explosive (correct answer)
b. most explosive
c. hottest
d. coolest

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.

Select the star life cycle that is accurate

On a spring day, a middle-latitude city (about 40? north latitude) has a surface (sea-level) temperature of 10 ? c. if vertical soundings reveal a nearly constant environmental lapse rate of 6.5 ? c per kilometer and a temperature at the tropopause of –55 ? c, what is the height of the tropopause?