Question

1. Sahil out some water from a nearby lake. He wants to purify it to be sure that it is free germs. Which method he can use foe purification?

2. If the Earth has so much water why do we still struggle for potable water ( water that is fit for drinking) ?

Please answer me in four lines ok please please​

Answer 1

Answer: 1 Sahil should purify the water by boiling as it's the cheapest and safest way to purify water and also he can purify it by condensation

2 2.5% of Earth's water is freshwater - the amount needed for life to survive. 96.5 % is in Ocean and is saline water which is not fit for drinking .Almost all of it is locked up in ice and in the ground, which is very difficult to reach . 20.9% is found in lakes. Rivers make up 0.49% of surface freshwater which we can drink

Answer 2

Answer:

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