The term “water cycle” is used to describe the movement of water on the earth and in the earth’s atmosphere. Do you think that your diagram on Student Sheet 39.1, “Talking Drawing: Contaminants and the Water Cycle,” is a good summary of the water cycle? Why or why not?

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

What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic