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
I am guessing but im not sure i think the answer is humidity
I would believe the answer to be B. <span />
People should care about climate change because it is a declared global issue and climate change can threaten food population and can cause a risk in increasing water levels.