PLZ PLZ HELP What conditions make aquifers in the northeastern United States vulnerable to contamination?

Stressors that can deplete aquifers include changes in precipitation and snowmelt patterns; withdrawal of ground water for drinking, irrigation, and other human uses; and impervious paved surfaces that prevent precipitation from recharging ground water. Some deep aquifers may take thousands of years to replenish.

Explanation:

answer; /// during daylight hours the sun heats up the ground,and at night the clouds insulate the warmth making it warmer ;