Question

there is scarcity of water even though 70%of the earth is covered with water why????​

Answer 1

there is scarcity of water even though 70%of the earth is covered with water as the whole part of it is not drinkable,the water in ocean and other major waterbodies is salty and not suitable to drink only 1% of water is drinkable and most of it is present in glaciers

Answer 2

There exists water scarcity because only 2.4% of the water present in earth is consumable by us.