Question

It is difficult to walk on Sandy surface why

Answer 1

Answer:

sand is soft and loosely held and marshy soil is wet and slippery which reduce the friction so,When we walk on the sand we push the sand with our feet but the sand yields, i.e., it does not react back with the same force because of less friction. That is why it is difficult to walk on sand or marshy land

Answer 2

Answer:

not so easy to walk due to it's softness