Biology 5090 · O Level · Effects of humans on ecosystems

Effects of humans on ecosystems — practice question

Fig. 5.1 illustrates several human activities that have an impact on the environment.

(a)[4]

Name two gases, other than carbon dioxide, released at R that are harmful to the environment. For each gas, state the harm it causes.

(b)[3]

Explain how recycling could stop the environmental damage at S and at T.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “oxides of sulfur - cause acid rain” …