5. Aidan is on a carnping trip with his family. As the temperature decreases Aidan suggests building a campfire. Which of the following explains why
heat moves from the campfire to the people sitting around it? *

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.

What physical property of gold makes panning a useful way to get gold from streams?