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mookieT mookieT
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8 years ago
Which of the following is not a reason that polyethylene films has become the most popular greenhouse covering?
A) It is less expensive than most other coverings.
B) It has a long life expectancy.
C) When used as a double layer it has low heat loss.
D) It comes in multiple thicknesses.
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padrepadre
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8 years ago
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