1. The sky is blue because of

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

3. Rainbow formation is due to

4. Cyclones:

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

6. Layer of atmosphere in which ozone layer lies is

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

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

9. Astronomical unit of light is used to measure

10. Rotation of earth 🌎 is from

11. How is dengue fever transmitted

12. Proteins are made up of

13. 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