Razia conducted an experiment in the field related to the rate of percolation. She observed that it took 40 min for 200 ml of water to percolate through the soil sample. Calculate the rate of percolation.
What planning is required in advance to deal with the situation created by a cyclone?
How will you help your neighbours in case a cyclone approaches your village/town?
You want to buy a house. Would you like to buy a house having windows but no ventilators? Explain your answer.
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