Paper 1 H - SAMPLE SET 1 Q3
3) All life on Earth depends on water.
Figure 5 shows an iceberg floating on the sea.
Figure 5 shows an iceberg floating on the sea.
3.1) Explain how the water molecules in the iceberg could end up as water in a lake. [4 marks]
3.2) Rainwater collects in rivers and lakes.
Water in rivers and lakes contains materials that make the water unsafe to drink.
Describe how the water from rivers and lakes is treated to make it safe to drink. [4 marks]
(Total for Question 3 = 8 marks)
3.2) Rainwater collects in rivers and lakes.
Water in rivers and lakes contains materials that make the water unsafe to drink.
Describe how the water from rivers and lakes is treated to make it safe to drink. [4 marks]
(Total for Question 3 = 8 marks)