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What is the purpose of the sinuses?

O to enhance the loudness of the voice
O to moisten and warm inhaled air
O to filter out foreign particles from the air
O to increase the weight of the skull

User Atul K
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2 Answers

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Answer: to enhance the loudness of the voice

Step-by-step explanation:

User Vishwanath
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C. To filter out foreign particles from the air
User Ergelo
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