Answer:
Many people do not realize that helium is a non-renewable resource. It is made on earth via nuclear decay of uranium, and it is recovered from mines. Once it is released into the atmosphere it becomes uneconomical to recapture it, and eventually atmospheric helium will escape earth altogether because it is so light.
Explanation:
Maps enhance people’s understanding of an area because they show where everything is and which routes would be best to take.
C. Giving the road your full attention
Answer:
B, cuz recall, remind and research isn't.
