1. Rainbow formation is due to

2. Collection of water droplets which are suspended in air are called

3. Layer of atmosphere in which ozone layer lies is

4. The principle used in radar is the same as that of sonar's. In radar we use radio waves whereas in sonar we use

5. Astronomical unit of light is used to measure

6. How many calories should you eat per day to lose weight

7. How is dengue fever transmitted

8. Rotation of earth 🌎 is from

9. The use of antibiotics is a very useful way of killing disease causing bacteria. Sometimes people don't finish all of their pills. This can result in

10. Which distance is bigger, an astronomical unit (AU) or a light year?

11. Proteins are made up of

12. Cyclones:

13. The sky is blue because of