MCQ
Trees are planted along the roadside to reduce pollution from motor vehicles. How do trees help to reduce pollution?
$i.$ They absorb traffic noise.
$ii.$ They take in carbon dioxide.
$iii.$ They trap dust and soot from the exhaust pipes of vehicles.
$i.$ They absorb traffic noise.
$ii.$ They take in carbon dioxide.
$iii.$ They trap dust and soot from the exhaust pipes of vehicles.
- A$(i)$ and $(ii)$ only
- B$(ii)$ and $(iii)$ only
- C$(i)$ and $(iii)$ only
- ✓$(i), (ii)$ and $(iii)$