Answer:
When a ray of light falls on a glass slab normally, the angle between normal and incident ray is zero.
Is the Frog Toy a piece of literature? If so, the type of wave is the "Wave of Life." Spring brings new life and a new start from the harsh winter.
Answer:
La vdd tengo la misma duda, de q prepa eres?
Explanation:
Nada más para saber
The best question that could prompt a scientific investigation is: <u>What substances dissolve in ocean water?</u>
This way the person experimenting can use several variables and make observations. Upon making observations, the person can be able to gather as much data as he can in order to answer the original question that he asked.