Sputtering or hissing of the torch is often caused by _____
a. metal debris in the heat shield
b. using air that does not contain sufficient oil
c. using air that does not contain sufficient moisture
d. moisture entering the unit through the air line
d
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________ is the transfer of male pollen to the female stigma, while ________ is the sexual union of male and female gametes.
Fill in the blank(s) with the appropriate word(s).
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Los montantes son _____.
a. vigas de refuerzo b. vigas de soporte c. vigas de anclaje d. soportes del tambor
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What are four types of cooling systems used in greenhouses?
What will be an ideal response?
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Cotton blossoms can self-pollinate
Indicate whether the statement is true or false
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