Sedimentary rocks are?

Rocks made of up mostly small particles and subsequent cementation of mineral or organic particles on the floor of oceans or other bodies of water

Explanation:

Sedimentary rocks are rocks formed from sediment. They are deposited over time, and often show layers which can be seen in cliffs. Other types of rock are igneous rock and metamorphic rock. Sediments are usually formed from matter which falls to the bottom of oceans and lakes.

Sedimentary rocks are types of rock that are formed by the accumulation or deposition of small particles and subsequent cementation of mineral or organic particles on the floor of oceans or other bodies of water at the Earth's surfac

your answer is b hope that

answer; (b); i believe its indefinite existence of human population in a healthy and prosperous condition;