Answer: B. Can provide humans with energy forever
Explanation: The warm air rises and cooler air rushes in to take its place. The moving air is wind. As long as the sun shines, there will be winds on the Earth. We will never run out of wind energy.
Answer:
increase
Explanation:
because in endothermic reaction heat is absorbed
Well if the change is reversible then it is a physical change, but if not then it is a chemical change.