Question

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1. Tick the correct options in the box
(A) There are two layers in the crust.
(1) Inner and outer crust
(ii) Continental and oceanic crust
(iii) Surface and oceanic crust
(iv) Mantle and Core
(B) Which element is found in both mantle
and crust?
(1) Silica
(ii) Magnesium
(iii) Aluminium
(iv) Iron
(C) Which of these minerals are found in
the core of the earth?
(1) Iron-magnesium
(ii) Magnesium-nickel
(iii) Aluminium-Iron
(iv) Iron-nickel
(D) The inner core is in which state?
(1) Gaseous
(ii) Solid state
(iii) Semi-solid state
(E) The outer core is made up of
(i) Iron
(ii) Gold
(ii) Hydrogen
(iv) Oxygen
(F) The layer of the earth on which we
live.
(1) Mantle
(ii) Core
(iii) Crust
(iv) Continental crust
(G) Which seismic waves can travel through
liquid medium?
(1) Primary waves
(ii) Secondary Waves
(i) Surface waves
(iv) Oceanic waves​

Answer 1

Answer:

question 1 =mantle and core

question 2=magnesium

question 3=iron and nickel

question 4=solid state

question 5= iron

question 6=crust

Answer 2

Explanation:

There are two layers in the crust.