CSEC Human and Social Biology · January 2010 · Paper 2 · Question 10(a)

Pollution harms the environment due to human activities.

Complete Table 1 by identifying the missing origin of carbon dioxide (i), the pollutant from car exhaust toxic to the nervous system (ii), and an effect of sulphur dioxide (iii).

This question uses a figure or table from the paper — you'll see it when you practise.