What is science explain​

True or false: the revolution of the earth creates day and night as it rotates around the sun

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final