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A scientists performs an experiment by placing petroleum jelly on

a scientists performs an experiment by placing petroleum jelly on under side of plant leaves. this blocks the leaves' stomata.
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A scientists performs an experiment by placing petroleum jelly on under side of plant leaves. This blocks the leaves ‘
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A scientist performs an experiment by placing petroleum jelly on under side of plant leaves.
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A scientists performs an experiment by placing petroleum jelly on under side of plant leaves. This blocks leaves stomata. The
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A scientist performs an experiment by placing petroleum jelly I don't underside of plant leaves this blocks the leaves stomata
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2. asked by Consider the advertisement offering a promotion of
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A scientists performs an experiment by placing petroleum jelly on under side of plant leaves. This blocks the leaves stomata.
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P scientists performs an experiment place and petroleum jelly on the underside of plant leaves this block sleeves
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A scientist performs an experiment by placing petroleum jelly on under side of plant leaves. This blocks stomata. The plant
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a scientist performs an experiment by placing petroleum jelly on under side of plant leaves. This blocks the leave's stomata.
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a scientist performs an experiment by placing petroleum jelly on the under side of the plants leaves. this blocks the leaves'
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