Question

What is the percentage of freshwater on the earth's surface?
Pick the odd one out - Rainwater Harvesting, Agricultural activity, Drip irrigation.
[2 MARKS]

Answer 1

Freshwater: 1 Mark
Choosing the odd one 1 Mark

Only 2.5% of all the water on Earth is freshwater.

Agricultural activity is the odd one out.
Rainwater Harvesting and Drip irrigation are methods to conserve water whereas Agricultural activity uses a lot of water.