Question

1. Name the three main layers of the earth.
2. What are rocks?
3. Give one example each of igneous, sedimentary and metamorp
4. How are metamorphic rocks formed?
5. What is a volcano?
3. Answer the following questions in not more than 20 words.
1. Define environment.
2. What are rocks made of? Name the three main types of rocks.
3. Define magma and lava.
4. What are fassils?
5. What are tectonic processes?
Answer the following questions in not more than 40 words.
1. How does the upper mantle differ from the lower mantle?
2. What is a volcanic cone?​

Answer 1

Answer:

1the three main layer of earth are land water and soil

2 A rock is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition and the way in which it is formed. Rocks are usually grouped into three main groups: igneous rocks, metamorphic rocks and sedimentary rocks.

Answer 2

Answer:

ans1- curst ,mantle ,core

ans1- It is our life support system. it provide ar to bresthe, water ,food and place for living