Today chemical retardants are used commercially as a(n) _____ part of the growing process of many plants

A) ?occasional
B) unusual
C) ?usual
D) none of the above


C

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On average the male grows faster than the female

Indicate whether the statement is true or false

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Sunscald can be avoided if plants are properly placed in the design

Indicate whether the statement is true or false

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Most of the data to be inputted to a machine ECU comes from monitoring _____________.

Fill in the blank(s) with the appropriate word(s).

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In most soils the overall population (numbers) of microorganisms changes with time, generally following changes in the ________

A) concentrations of antibiotics B) availability of root infection sites C) porespace D) supply of oxygen E) supply of decomposable organic matter

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