Water!

The longest river on earth is ( Nile, Amazon, Mississippi)

2% of the Earth's water is stored in (oceans, glaciers, underground)

When is World Water Day celebrated annually? (March 22nd, April22nd, May22nd)

Around what percentage of our body is water? (80%, 50%, 70%)

Which of these contain the most water? ( bones, brain, muscles)

What percentage of the world's water is salt water? (67%, 97%, 17%)

Ice sinks in water. (True/False)

Approximately how much percentage of Earth's surface is covered with water? (70%, 71%, 72%)

Which weight more? Cold water or hot water?

Rainwater is the purest form of water. (True/False)

The chemical formula of water is (H2O, H3O, H2C).