A real question, one with a question mark?
I don’t know really really I don’t know
Answer:
D. Tidal energy is replaced naturally by the Moon's gravity.
Explanation:
The reason tidal energy is considered a renewable energy resource is that Tidal energy is replaced naturally by the Moon's gravity. The Moon's gravity creates bulges on the side of Earth that is closest and farthest from the Moon. These bulges also pull water causing high tides in those areas. As the Earth rotates these areas experience low tide while the areas that had low tide now experience high tide. This constant shift creates tidal energy every day, which is replenished naturally.
Answer:
Explanation:
We need to find the frequency of green light having wavelength o
. It can be calculated as follows :
So, the required frequency of green light is equal to 
.
