Many grocery stores use misting, a process ________ vegetables are sprayed with water, to keep vegetable fresh.
#77952
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which
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that
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what
D
where
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Wind power is an ancient source of energy we may return in the near future.
#77113
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on which
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by which
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to which
D
from which
Are you satisfied with the way_______ he explained the problem?
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which
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by which
C
in that
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