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What machine changes air in a room into air with more oxygen?

A. Air purifier
B. Humidifier
C. Dehumidifier
D. Air conditioner

Answer :

Final answer:

None of the options (air purifier, humidifier, dehumidifier, air conditioner) can increase the oxygen levels in the air. These machines modify the air in different ways, but don't affect oxygen concentration. To increase room oxygen, an oxygen concentrator could be used under medical supervision.

Explanation:

None of the options provided (air purifier, humidifier, dehumidifier, air conditioner) can change the air in a room into air with more oxygen. These machines alter the air in various ways — for example, an air purifier removes particulates, a humidifier adds moisture, a dehumidifier reduces moisture, and an air conditioner cools the air. However, none of these alter oxygen levels. The oxygen concentration in a room could be increased by the use of an oxygen concentrator, a device used especially for medical purposes. Please note that increasing the oxygen levels in a room is not typically needed and should be done only under the supervision of healthcare professionals.

Learn more about Oxygen Concentration here:

https://brainly.com/question/32884654

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