If the sun's energy could be measured in units like money, which of the following organisms would be the most expensive to maintain? a mushroom a fox a squirrel a sunflower

If the sun's energy could be measured in units like money, the organism that would be the most expensive to maintain is sunflower. A sunflower is a plant that needs sunlight, water and carbon dioxide to perform photosynthesis. 

im guessing the west of station b

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.