The asteroid belt exists between mars and

How do we measure or think of speed in the united states?

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.

What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.