Question

Take two trays A and B of the same size. Make six holes in the end of these trays and

then fill them with the same amount of soil. Leave the soil in tray A bare while growing grass in tray B.

When the grass in tray B has grown few centimetres high, place both the trays in such a way that they are on

a slope. Pour one mug of water from the same height into trays. Collect the muddy water that trickles down

the holes of both trays in two separate containers.

Compare how much soil is washed out of each tray tray and why?​

Answer 1

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