Answer:
Energy of each photon is given by 
Explanation:
We have given wavelength of light 
Speed of light 
Plank's constant 
We know that energy of photon is given by 
So energy is given by
Answer: what u mean heres a river tho nile river also known as the nile, hope this helps you a little bit.
Explanation:
At least 7 billion people
Answer:
From top to bottom: Midwest, West Coast, Southwest, Northwest.
Explanation:
Ur welcome :)
I think the answer is D:all of the above.