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:
Gold and copper are example of alloy
Explanation:
the answer to this is O hypothesis
a) 2
b) 3
c) 5
d) 6
