(b) Suggest one reason why we begin to see this significant increase in temperature at the time period selected in (a) above.
(c) In what year do we see the highest average temperature recorded?
(iii) Name one greenhouse gas that is having a direct impact on climate change.
(iv) Tick (✓) the correct answer below. Deforestation results in: (a) Increasing the amount of carbon dioxide in the atmosphere (b) Increasing the level of oxygen in the atmosphere State one other impact that deforestation can have on an area.
Remember!
Think back to mass movement and soil for this answer.
(v) List two human activities that can contribute to climate change. 1.
2.
(vi) Circle the correct answer in each of the statements below: (a) Gas / wind power is a renewable source of energy. (b) Ice cores can be used to tell us about past temperatures / to predict sea level rise.
(c) The greenhouse gases that human activities emit in large quantities are carbon dioxide and methane / oxygen and nitrogen.
(d) Global sea levels are predicted to rise / fall due to climate change.
(e) The level of carbon dioxide in the atmosphere is increased by using fossil fuels such as oil / solar power.
(vii) State two possible consequences of climate change. 1.