At which position is the northern hemisphere experiencing winter? a) point ab) point bc) point cd) point d

What happens to the light rays when they hit the specimen?

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 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 energy added you so much!