Nearly 50% of water sources in the united states are believed to be polluted. select the best answer from the choices provided t f

The correct answer for above statement is:

The main source of water is in the ground and the groundwater gets constantly more polluted with road salt, oil, gas and other chemicals (and as you can see, these are all manmade products).Sewage, trash and liquid waste of households, agricultural lands and factories are released into lakes and rivers.

a warm, wet climate will produce the highest rate of weathering. the warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering (figure below). this happens because plants and bacteria grow and multiply faster in warmer temperatures.

answer; (phospholipid);