Which of the following is the substance that enables a leaf to use sunlight to produce food?

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.

The answer to your question would be c. mineral oil  

Answerchemical energy;