What group of houseplants is sensitive to fluorine in water? What are the symptoms of fluorine damage?

What will be an ideal response?


Plants in the lily family are susceptible to fluorine in water. The symptom is brown leaf tips.

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Hand tools are essential for work in ____________________, ____________________,

____________________, and ____________________.

What will be an ideal response?

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Explain from what safety glasses protect you and when they should be worn.

What will be an ideal response?

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One reason gerbils are good household pets is that they have few health problems

A. True B. False

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Which of the following statements is correct about  beam-type Hall-effect yaw sensors?

A. They are the oldest type of yaw sensor. B. They are the newest type of yaw sensor. C. They receive a  10-volt signal from the EBCM and return some portion of that voltage as signal. D. They do not return any portion of the voltage received as a signal.

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