What percent of the root zone of most plants must receive water to provide the benefits of irrigation?
a. 30 c. 50
b. 40 d. 60
C
50
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The prairie falcon is a unique bird because it _____
a. does not migrate b. has black wing pits c. does not kill its food d. eats roadkill
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Write the complement of 27°18'.
Fill in the blank(s) with the appropriate word(s).
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Gas-filled shock absorbers should extend when disconnected.
Answer the following statement true (T) or false (F)
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Equipment will perform at it's best efficiency when running at full load.
Answer the following statement true (T) or false (F)
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