Rain forms an important part of the water cycle.
True
False
At what temperature does water freeze into ice?
0°C
100°C
50°C
10°C
Match the columns by dragging.
Surface water
Groundwater
Jaundice
Cholera
Chlorination
Oceans and seas
Handpumps, tube wells or bore wells
Hepatitis A virus
Bacterium
Purification of water