Cambridge Secondary (7-9). Stage 8. MCE Science. Student Book - Unit 3: Ecosystems - Question 59

Use the words below to write **three** correct, full sentences about three different types of pollution.

Human action: landfills; smoke; spill of wastewater; fertilisers; car engines.
Pollution: water; air; land.
Impact: global warming; kill organisms; block sunlight; toxicity of soil; acid rain.