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EnglandEnvironmental ScienceQuick questions
3.2 The physical environment
Quick questions on Soils: composition, formation, fertility and soil conservation - AQA A-Level Environmental Science
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are vague conservation answers?Show answer
Naming a method is not enough; AQA wants the mechanism, for example that contour ploughing reduces runoff energy so soil is not carried away.
What is q1?Show answer
Name the five main components of soil and give the approximate percentage by volume of pore space in a fertile mineral soil. [3 marks]
What is q2?Show answer
Explain why a loam soil is usually more fertile than a pure sandy or pure clay soil. [3 marks]
What is q3?Show answer
A field loses 8 tonnes of topsoil per hectare per year with a bulk density of . Calculate the depth of soil lost per year in millimetres. [3 marks]
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