Where is groundwater found?

in lakes and rivers
below earth’s surface
on ice sheets at the poles
at the mouths of rivers and streams

below Earth’s surface

Explanation:

Groundwater is the source of water that can be found below the earth surface. It is called as underground water reservoir. The water in the ground accumulates when the surface water from the sources like river, melting glaciers, rain and others seeps inside the ground through small pores present  in the soil and rocks. The accumulated underground water is the source of freshwater.  

He is correct. i took the test

Explanation:

ANSWER (B)

i think it would be 80 km/h because 30 + 50 = 80 (sorry if this not the right answer i'm trying my best)

positive reinforcement? ?