Explain how groundwater can become polluted

Groundwater is a water under the surface of the Earth. It is widely used as a source of freshwater. Thanks to its underground position, it is not as much vulnerable to pollution such as surface water. However, some leaking of landfills, septic systems and agricultural chemicals that can reach it deep down under the surface can cause groundwater pollution.

your answer is going to be physical weathering

bal is blood alcohol level. bac will normally be higher in a person with more body fat. so the answer to your question would be, as body fat decreases, the increasing rate of bal decreases.