<span>Rubidium Chloride is the answer i believe </span><span /><span>
</span>
The hypothesis is that
the green coloration of plants is related to sunlight exposure of leaves
The hypothesis is tested by keeping a dark green plant inside a dark closet
The result is that the green coloration faded
The conclusion must be that exposure to sunlight affects the green color of the plants
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,