Answer:
This is a question you have to do because its based on your location and if I gave answer for where I live you will be caught cheating since we most likely don't live in the same area
Explanation:
I'd guess b on this one. I don't know the definition of watershed, but the amazon is a pretty big expanse of water "stretching" a long way (albeit that water doesn't stretch).
Wien's displacement law states that the black-body radiation curve for different temperatures will peak at different wavelengths that are inversely proportional to the temperature.