The core of a star must reach a temperature of degrees celsius for hydrogen fusion to begin.
10,000
100,000
1,000,000
10,000,000
100,000,000

Sara is creating an experiment. her hypothesis states the following. if i increase the air in my tires, then i will get better gas mileage. if this is her hypothesis what column titles do we need in our date table? a. air pressure in tire (psi) and gas mileage (mph) b. air pressure in the atmosphere (psi) and gas mileage (mph) c. miles (m) and gallons per mile (g) d. old battery and new battery

Will you chech and finish these for me, because i am stumped with them.

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?