Answer:
Many different factors contribute to mental illnesses. Although the exact cause of mental illnesses has not yet been discovered, it could be a combination of genetic, psychological, and environmental factors.
Explanation:
The answer to the question would be lukewarm
Answer:
by moistening, heating, and purifying air as it proceeds down the airways
Explanation:
The upper respiratory system support good health by moistening, heating, and purifying air as it proceeds down the airways.
