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Tatiana [17]
3 years ago
5

30. The primary reason a surgical face mask must be used during dental procedures is to

Health
2 answers:
ki77a [65]3 years ago
5 0

Answer:

b

Explanation:

Scilla [17]3 years ago
3 0
The answer is b hope this helps
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a) Negative correlation

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Negative correlation is a term which basically explains a relationship between to variables in which increase in one variable causes a decrease in the other variable and vice versa. As in the given scenario, the more frequently the teeths are brushed ( variable is increasing ) the less likely is the chance to develop cavities (variable is decreasing)

Hence a)negative correlation is the right answer.

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What does hpra stand for​
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The role of the Health Products Regulatory Authority (HPRA) is to protect and enhance public and animal health by regulating medicines, medical devices and other health products. It also monitors the safety of cosmetics.

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4 years ago
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behavior: the way they function, which aspects of them are worthy of study and what research methods are appropriate for undertaking this study.

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How many times should I drink a glass of water in a day ​
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drink at least 8 cups per day.

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