Question

class 7th
geography ch 2 ​

Answer 1

Answer:

Sedimentary : Rock scroll down crack and hit each other and are broken down into small fragments of running water when moving ice plants and animals also break down the rocks into smaller particles these smaller particles are called as sediments this elements are called read away by wind and rivers and their deposited into lowland lake and ocean beds these sediments are deposited in layers with the passage of time these layers are hardened to form rocks these rocks are called sedimentary rock sandstone limestone Shale Rock and conglomerate

Metamorphic rocks: under very high temperature and pressure igneous and sedimentary rocks change in their form such change rocks are called metamorphic rocks these rocks are very hard the process of metamorphism takes thousands of years some common examples of metamorphic rocks are marble formed from limestone gneiss formed from granite slate formed from shale and quartzite formed from sandstone

igneous rock igneous rocks are formed by cooling of molten magma inside the earth's crust or on the surface of the earth these rocks are called primary rocks since they were the first to be formed igneous rocks are two types instructive igneous rocks and extractive igneous rocks