Our Earth Quiz 2

Which of the following layers of the earth is very thin?

Which of the following layers is the thickest?

Which of the following layers consists of silicons?

Which of the following layers consists of iron and nickel?

Which of the following layers consists of gold?

Who introduced the theory of continental drift?

We can locate places on the earth with the help of

Which latitude is called Tropic of Cancer?

Which latitude is called Tropic of

$0^\circ$ meridian is called