The outermost layer of Sun Is called:
1). convection zone
2). photosphere
3). chromospheres
4). corona
2. The International Date Line passes through
3. Which of the following is the busiest of ocean trade routes?
4. Rocks which are formed by the solidification of lava on the earth's surface are:
5. An upper air wind system with very high velocities in certainparts of the atmosphere is called :
7. The Tropic of Cancer does not pass through :
8. Maharashtrian Plateau is made up of
9. In terms of size, Mars ranks no. ___ in our Solar System.