What is a sedimentary rock?(1 point)

Responses

a type of rock that is formed in a very short period of time by sudden violent volcanic eruptions into the ocean
a type of rock that is formed in a very short period of time by sudden violent volcanic eruptions into the ocean

a type of rock that is formed over long periods of time by layers of silt building up on the floor of a body of water
a type of rock that is formed over long periods of time by layers of silt building up on the floor of a body of water

a type of rock that is formed over long periods of time by the transformation of existing rock types
a type of rock that is formed over long periods of time by the transformation of existing rock types

a type of rock formed over long periods of time by the cooling and solidification of molten Earth material

a type of rock formed over long periods of time by the cooling and solidification of molten Earth material