Available Answers

1. 1.

   State the importance of insolation?
2. 2.

   Why does only 51% of the insolation reach the Earth's surface?
3. 3.

   How is the atmosphere heated?
4. 4.

   Name the factors affecting the temperature of a place.
5. 5.

   Explain why temperature varies with latitude.
6. 6.

   Why are slanting rays less effective in heating the atmosphere than vertical rays?