Multiple choice

Which of these best describes 'Asian brown cloud'?

  1. An indian artificial satellite

  2. A xenobiotic

  3. Ozone hole

  4. A computing paradigm

  5. A layer of air pollution

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The Indian Ocean brown cloud or Asian brown cloud is a layer of air pollution that recurrently covers parts of South Asia, namely the northern Indian Ocean, India, and Pakistan.