The answer is b because the other ones are involved in environmental science
You didn’t give any options but i’m assuming it’s “oxygen”
Answer:
Hell yea! Why do you think countries like China tried to limit their population?
Big population=less resources
Small population=lots of resources
The way humanity is going I'll be surprised if we are still not extinct by the next hundred years.
Explanation:
When a volcano erupts, the molten rock (or magma) that comes out of the Earth is called lava. Because lava is so hot (more than 1,100 degrees C, over 2,000 degrees F), it remains molten and flows across the ground until it cools and hardens into rock.
hope this helps
The answer is b. a common currency
hope this helps ! :D
