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Question:

HELP! science fairr! why didn't the aluminum foil or plastic container kept the apples as fresh?

i did a science fair on Which wrap will keep an apple fresh for the longest amount of time? Aluminum foil, zipper bag, plastic container?the ziploc bag won WHYY? why didn't the aluminum foil or plastic container kept the apples as fresh?Please help me thanks (:

Answer:

Foil and plastic act as semi-permiable membranes which allow tiny little particles to go in and out eventually causing rottennessThe ziploc bag is airtight on the other hand and doesn't let anything in
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