Frogs need water to lay their eggs. it has not rained for many months. the lake is getting smaller. billy does not see many tadpoles at the lake because a) the frogs have laid fewer eggs. b) the lake is overcrowded with fish. c) the fish ate all of the frog eggs. d) the frog eggs won't hatch in hot weather.

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 equation2: 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!