The charcoal filter in an electronic air cleaning system removes which air pollutant?

A. smoke
B. dust mites
C. odors
D. mold


Answer: C

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List two ways to classify hydroponic systems and give two examples for each

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____________________ is eye inflammation

Fill in the blank(s) with correct word

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What are the four functions of the skeleton?

What will be an ideal response?

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A heavy-duty tool used to drive posts or other large stakes is a _____

a. mallet b. sledgehammer c. bell-faced hammer d. ball-peen hammer

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