Subject :NSO Class : Class 3
Why do you think stone pebbles are placed around trees in urban area instead of paving solid concrete around the trees?
(A) The stone pebbles help to support the roots of the trees.
(B) The stone pebbles allow the trees to grow neatly.
(C) The stone pebbles allow air and water to get to the roots of the trees.
(D) The stone pebbles allow the leaves to fall through the gaps and fertilize the trees.
Ans 1: (Master Answer)
Class : Class 1
C
Stone pebbles have spaces between them, which allow air and water to seep through and reach the roots. This will help the trees grow better.