Answer:
There are four layers of the Earth, including Inner Core, Outer Core, mantle, and Crust. Each layer has its characteristics because of its temperature and formation.
The inner core is solid with iron and other metal deposit in it. The outer core is liquid, while the mantle is composed of silicate rocks. The crust is the outer layer of the earth, consist of different types of rocks.
The earth was able to develop a layer structure because of the climatic change it had millions of years ago, where the hardest metal reached to its core.
Answer:
The name of the portal is School Bhuvan.
Explanation:
School Bhuvan is a portal that provides E-learning courses in Geospatial Technologies and Remote Sensing with a view to helping students know about countries and the natural resources that abound in them. School Bhuvan also reveals the roles which natural resources of a country play in sustainable development. To achieve these, this portal has an earth browser which gives a gateway to discovering and exploring virtual earth in 3D, 2.5D and 2D space.
1. lifeless
2. evaporation
3. seeps into
4. surface, pycnocline, deep
5. food web
6. photic
The most destructive volcano is Mount tambora