Answer:
The mantle exists above the crust of the earth
Because mass and distance determine gravity, so the more mass you have, the more gravity.
Answer:
the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface
Explanation:
Say you have 60 cubic meters of an ideal gas at a pressure of 200 pascals. You heat the gas until it expands to a volume of 120 cubic meters. How much work does the gas do? All you have to do is plug in the numbers:
The gas does 12,000 joules of work as it expands under constant pressure.
