Question

3) Describe an activity to
demonstrate the presence of oxygen
in air.
(give very brainly fast it is imergany)​

Answer 1

Answer:

Hello mate

Explanation:

The candle is lighted. The candle will continue to burn due to continuously available fresh air providing the required oxygen for combustion. Now cover the burning candle by putting an inverted gas jar over it.

Answer 2

Answer:

here you go.

Explanation:

please mark me Brainliest