Continue examining the minerals in sample T. Now it is time to examine the dark red mineral. This is the least common mineral in this rock. It is a metamorphic index mineral (another one of the minerals that you saw in the previous sample set, "S"). What mineral is it

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.