8 marksAtmospheric Pollution and Global Atmosphere Issues

CAPE Environmental Science Unit 2 · 2009 · Paper 2 · Question 9(b)

Discuss the statement: 'It is vital to the good health of our environment that the ozone layer is preserved', including FOUR key points.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

9(a)(i)Label any TWO layers of the atmosphere on Figure 8.[2 marks]
9(a)(ii)Indicate the position of the ozone layer on Figure 8.[1 mark]
9(a)(iii)Identify the altitude at which the ozone concentration is LOWEST on Figure 8.[1 mark]
9(a)(iv)Describe the relationship between ozone concentration and altitude shown in Figure 8.[3 marks]
9(c)Explain how a named international treaty functions to protect the ozone layer and reduce ozone depletion.[5 marks]

More practice: the rest of this paper · more Atmospheric Pollution and Global Atmosphere Issues questions · all CAPE Environmental Science Unit 2 past papers