InterviewSolution
| 1. |
Give reason for each of the following: i. Intrusive Igneous rock has large Crystals.ii. The Crust is also called Lithosphereiii. The core of the Earth is in a semi solid state |
|
Answer» Intrusive rocks, also called plutonic rocks, cool slowly WITHOUT ever reaching the surface. They have large crystals that are usually visible without a microscope. This surface is known as a phaneritic texture. PERHAPS the best-known phaneritic rock is granite. Ans of (i). Earth's lithosphere INCLUDES the crust and the uppermost mantle, which constitutes the hard and rigid outer layer of the Earth. The lithosphere is subdivided into tectonic plates.Ans of (ii). The core of earth is in a semi solid STATE because it is filled up of lava and rocks. Lava melts the rocks which make its FILLING like honey and honey is semisolid in nature.Ans of (iii). |
|