Which statements describe geographic information systems?

Which of the following statements about wearher along mountain ranges is correct

How does rain water cause erosion and deposition? a. when acidic water soaks into the ground, water dissolves limestone, resulting in the formation of caves.b. when a river overflows it moves downhill resulting in the formation of caves.c. when it rains, water flows into rivers and streams and moves back to land, resulting in the formation of caves.d. when water empties into lakes, sediment is deposited, resulting in formation of caves.

This one too which statements describe attributes of an artesian well? check all that apply. requires a bucket uses natural pressure uses a mechanical pump is heated by hot rocks or magma has groundwater stuck between impermeable layers