Multiple choice

Oxides of sulphur and nitrogen are produced by burning of fossil fuels. These two oxides are the major culprits for______________ phenomenon.

  1. greenhouse effect

  2. el-nino effect

  3. acid rain

  4. eutrophication

  5. bio-geo chemical cycles

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

Oxides of sulphur and nitrogen mix with moisture to form sulphuric acid and nitric acid, respectively. These come down as acid rain, which is harmful for organisms, marble structures, buildings, etc.