Which of these Rock appeared first on the surface of the earth

Less developed nations have low literacy rates. true or false

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.

Plz in a major hurry will give brainlest asapppppppppppppppppppwhich of these would best describe the process labeled p? absorption of heat absorption of elements formation of solar energy formation of new elements