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MCQmediumIntroduction to air and breathing

What happens to the air when it gets dirty?

Options

aIt becomes cleaner.
bIt causes air pollution.check_circle
cIt becomes transparent.
dIt produces oxygen.

Key Points

The article states, 'But do you know that sometimes the air can get dirty? This is what we call air pollution.'

Source

Class 5 › English For Today › Chapter 17: The Air We Share › Topic: Introduction to air and breathing

Aligned to the NCTB national curriculum.