How is groundwater formed?

a. when water condenses on particles of soil

b. when water runs along the top of the soil

c. when water percolates down through the soil

d. when water evaporates into the air from the soil

I think it is C because groundwater is formed when the water seeps into the ground.

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

bc blah

explanation:

bc blah