1. About a month. More like 29 days
2. The phases depend on the location of the moon relative to the earth and sun at the same time
3. 0% since we never see the dark side of the moon. Or 25% since we only see half the moon during these quarters. (Question is ambiguous could go either way)
4. An eclipse
5. When the moon is between the sun and a certain point on earth so that the sun is blocked out by the moon
6. Umbra
7. Penumbra
8. The earth is between the moon and the sun blocking all light from the sun to the moon
Answer:
mental age
Explanation:
Mental age -
It refers to the determine the knowledge or intelligence of a person , is referred to as its mental age .
The process to determine the mental age , require some test , which then gives the mental age .
Test like efficiency , knowledge an intellectual performance is taken under consideration .
Hence , from the given scenario of the question ,
The correct answer is mental age .
(p⋅10)−(p⋅2)
is the answer hope this helped! :D