In the given figure, layers of Earth are shown. Identify $\mathrm{A}, \mathrm{B}, \mathrm{C}$ and $\mathrm{D}$ respectively, and choose the correct option.

	$\mathrm{A}$	$\mathrm{B}$	$\mathrm{C}$	$\mathrm{D}$
$\left(\mathrm{A}\right)$	Outer core	Mantle	Crust	Inner core
$\left(\mathrm{B}\right)$	Inner core	Outer core	Mantle	Crust
$\left(\mathrm{C}\right)$	Mantle	Crust	Inner core	Outer core
$\left(\mathrm{D}\right)$	Crust	Mantle	Inner core	Outer core

 

Read the following passage and select the option which correctly fill the blanks.

(i) is the point of origin of an earthquake. (ii) measure the strength of an earthquake by estimating the amount of energy released at the focus. The point vertically above the origin point on the surface of the Earth, is (iii). Seismic waves are detected, recorded and measured using (iv).

A negatively charged rod is moved near conducting sphere as shown. What will be the movements of the electrons and protons in the conducting sphere?