Answer:
a. Humans build roads, which prevents rainwater from replenishing aquifers.
Explanation:
This is because an aquifer is a body of rock that holds water or ground water and can readily transmit this water to Wells and springs. But human activities like building of roads has affected this. During road construction, rocks are broken down and ground water are depleted, as the roads are built, rain water will not be able to sink down to the ground rather will be on the tilled road which prevent it from getting to aquifer.
Answer:
Explanation:
The main reason of using a barrage is controlling the flow in a watercourse to avoid the risk of floods . It can achieve its purpose by contrlling the range of the water going out
Answer:
Sandstone.
Explanation: The Cape of Good Hope, on South Africa's Atlantic coast, was created as powerful waves slowly eroded coastal rock. The Table Mountains, which is by the coastline, is mostly made of sandstone.
Answer:
You can use them in math with graphs and in science :)