In the experiment investigating water loss from leaves with petroleum jelly applied to different surfaces, why would leaves with petroleum jelly on the lower surface lose less water than those with it on the upper surface?
1 )
The upper surface has more stomata than the lower surface
The lower surface has more stomata than the upper surface
3 )
Petroleum jelly is more effective when applied to the lower surface
4 )
Sunlight affects the upper surface more, causing more evaporation
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