Flooding, lower mining levels needed to be pumped out.
where there has been a lot of flooding after a lot of rain and flooding, the soil loosens and slide down a hill.
They block the water.
cecilia
dams are
flooding washes fertile soil onto the land
leevees are natural desposits that help keep rivers from flooding. Hope it helped XD
it helped them with irrigation!
to help control flooding
To help prevent flooding in London.
they can easy break or fail when the water flow is very fast and strong
One solution would be to not build anything on flood plaines.
A window awning will not protect your home from flooding. An awning will help provide shade from the sun.
Because they help prevent Flooding
nitrates are soluable therefor become a solution when mixed with water!
plant more trees... it will help a lot...
Flooding.