Cus the sun is out more during summer than winter
Photovolatics utilize "Solar" energy to produce electricity.
There are many ways to determine the value of currency. One is supply and demand, the more a currency is wanted the value of it will rise. However, if one value rises, the others fall compared to it. That's why currency values change all the time.
Human cells as well as plant and animal cells
It’s very blurry I can’t see
