Mohorovicic discontinuity is found at about …………… beneath the oceans and …………… beneath the continents.

1. 8 km, 32 km
2. 36 km, 10 km
3. 60 km, 6 km
4. 40 km, 4 km

Extending upwards, the earth is enveloped by a blanket of gases. Name it.

1. Lithosphere
2. Hydrosphere
3. Atmosphere
4. Chamber

Name the layer of the earth that is fragile as compared to the rest of the layers of the earth. Different theories suggest that this layer undergoes changes to give earth a new shape.

1. Mantle
2. Core
3. Crust
4. Asthenosphere

In which part of the earth is NIFE found? What is it composed of?