Question

What are the sedimentary rocks ? How many types of these rocks? Class 7​

Answer 1

Answer:

Sedimentary Rocks:When the igneous rocks are exposed on the Earth's surface, they are broken down by the agents of weathering such as wind, ice and water into small fragments. The small fragments are called sediments.

types: There are of three types mainly based on their origin, viz., clastic sedimentary rocks (conglomerates and breccias, sandstones and mudrocks), biochemical sedimentary rocks (limestones and coals), chemical sedimentary rocks ( gypsum and rock salt).