This is true because all living organism experience life.
If the gradient or slope is high then the water flow will go faster because suppose water is flowing down from a skateboard ramp, it would flow faster than water flowing throw a straight pipe.
Here's a picture I drew to help you!
The answer is d I juss took the test
Answer:
the fact that the bubbles of carbon are bursting due to the high amount of drilling recently
Explanation: