Question

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How can you show that air contains dust particles and water vapour?
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Answer 1

Explanation:

you can show this by an activity.....

you need a torch for this....first get into a dark room and turn on the torch light u will observe that the air contains dust particles as well as water vapour.....plss mark as brainliest..and follow me

Answer 2

Answer:

you can see tyndall effect ..

or in sunlight u can see these particles .