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6 marksWater and Land Pollution

CAPE Environmental Science Unit 2 · 2019 · Paper 2 · Question 2(a)(iv)

An experiment comparing the environmental impact of organic versus inorganic fertilizers using tomato plants and drainage water collection.

A decision is taken to use inorganic fertilizers in a garden that is watered daily and located on the banks of a river. Name the likely impact this will have on the environment, and describe what is likely to occur as a result.

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  1. 2(a)(i)State a suitable hypothesis for this experiment.[1 mark]
  2. 2(a)(ii)List THREE of the controlled variables in this experiment.[3 marks]
  3. 2(a)(iii)State the responding variable in this experiment.[1 mark]
  4. 2(b)(i)List THREE features of sustainable agriculture.[3 marks]
  5. 2(b)(ii)Explain how certification to meet international standards AND the importation of cheap agricultural products can impact sustainable agriculture, referring to…[6 marks]

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