Me fast this is urgent !

1.) in a motor, blank provides the necessary push to make current flow.

a.) electromagnetic energy.

b.) a generator.

c.) mechanical energy.

d.) a battery.

answer for brainliest

B) raising the temperature and reducing the volume of the gas.|-/ 

Year  1936,  lehman predicted that the earths 'inner core' is solid. she observed that the seismic signals during her study were bent and did not pass through instead bouncing back. later it was confirmed that the earth's inner core was solid made up of nickel-iron and had a molten outer core.

D. engine-coolant temperature is the answer : ) =)

Heat up ? and cool down? well im guessing at this one, plz check it first