Volcanoes change the earth by
a) slowly seeping and flowing over time
b) slowly heating the surface
c) rapidly using up the oxygen
d) keeping mountains from growing

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .

Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2