Precipitation that infiltrates through soil into underground layers of rock, sand, and gravel is stored as .

GroundWater

Explanation:

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

weathering is the answer.