Jeremy had a set of 500 toy blocks that could be connected by snapping them together. at first, he used all the blocks to build a small house. later, he rearranged all the blocks to build a small car. how did the mass of the house compare to the car?

The isotonic saline solution described in part a is connected to an unknown solution via a semipermeable membrane, the unknown solution level drops. based on this information, what can be said about these two solutions?

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

What is the main reason why some developing countries fear the increase the free trade policies around the world?