Our solar system is the part of which of the following galaxy?

1. Andromeda Galaxy
2. Elliptical Galaxy
3. Milky Way Galaxy
4. Large Magellanic cloud

Which of the following force is responsible for the oblate spheroid shape of earth?

1. Coriolis force
2. Centrifugal force
3. Compression force
4. Tidal force

Draw a neat diagram to show the realms of the Earth.

Draw a neat diagram to show the water cycle on the earth.