Answer:
1) Rainbow are made by light reflecting water
2) Newton believed that the Rainbow was caused by the light that enter his room and to test his theory he put a triangular prism upside down another one.
3) Rainbows are made by light reflecting water at a certain position. It can also be seen during fog and humidity.
Skip the video (i dont know what videos)
1) water, light (such as flashlight)
2) the reflection of the water between the light
3) i am unsure
I hope this helps!
Explanation:
