All of the following statements are true except 1.recycling petroleum-based products conserves resources 2.air quality is important everywhere, not just in large cities 3.human activity is limited by the availability of resources 4.alternative energy sources are often too impractical to use

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.