What is it?
It’s a well.
What is it?
It’s rain.
What is it?
It’s an aquifer.
What is it?
It’s a lake.
What's the percentage of salt water on Earth?
95%
98%
97%
96%
What are the most common types of water contamination?
Agricultural, domestic sewage, oil and solid waste.
What is it?
It’s an ice cap.
(T/F) Pollution can be caused by natural events.
TRUE (volcanoes, forest fires, etc)
What is it?
It’s a plughole.
What is it?
It’s a river.
What is it?
It’s an ocean.
What is it?
It’s a cloud.
What is it?
It’s a pipe.
What is it?
It’s snow.
What is it?
It’s a tap.
What is water pollution?
Occurs when harmful substances contamine the water. Degrading water quality and rending it toxic to humans or environment.
What major cities most likely run out of drinking water?
São Paulo, Moscow, Beijin, Cairo, Tokyo, Miami, London, Istambul, Mexico City.