Give scientific reasons - 5

1. It is difficult to do slow cycling.
2. A rope walker holds long stick horizontally in his hands.
3. In early days, there was a procedure to pour water surrounding eating plate.
4. If tea in the kettle starts boiling, its kettle lid vibrates and makes noise.
5. Food is cooked in less time if pressure cooker is used.
6. Raw vegetables are more nutritious than cooked one.
7. We can hear distant sound better in water.
8. It is difficult to put paste back in toothpaste.
9. Man space can float in space without falling down.
10. We should not see Sun eclipse by naked eyes.
11. Snake is friend of farmer.
12. Vulture is a useful bird.
13. While travelling through car we see that trees nearby move backwards fast but hills faraway look stationary.
14. Before taking liquid medicine, bottle should be shaken well.
15. Raw mango is sour but ripe mango is sweet.
16. Sprouted beans are more nutritious.
17. Exposure to gentle sunlight is good for health.
18. Window panes of aero plane are permanently closed.
19. If we climb high, nose bleeding may occur.
20. Drawing pin has wide flat head.