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How should I respond to questions which ask me to deal with a source?

Your answer needs to deal with a few different aspects of the source while also drawing on your own knowledge to interrogate what you are reading. Firstly, you need to show that you understand what the sourc...
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Answered by Conor M. • History tutor
2580 Views

Fertiliser, such as manure, contains ammonium compounds. Explain how the presence of soil bacteria and the use of manure improve crop yield. (6 marks)

Ammonium compounds in the manure are converted into nitrite , then into nitrate by nitrifying bacteria . Nitrate is then taken up by plants via active transport. Nitrogen fixing bacteria living in the nodule...
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Answered by Meral C. • Biology tutor
3789 Views

During the light-independent reaction of photosynthesis, carbon dioxide is converted into organic substances. Describe how. (6marks)

Carbon dioxide from the atmosphere diffuses into the leaf through stomata and reaches stroma of chloroplast. In stroma, carbon dioxide combines with ribulose biphosphate (RuBP) in the presence of an enzyme c...
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Answered by Meral C. • Biology tutor
7333 Views

How would we calculate the distance covered by a train that starts at rest, then accelerates to 5km/hr in 30 mins then stays at this constant speed for 12 minutes?

I would draw the situation Then use bring out the relevant SUVAT equationsI would explain how the equations work to give the student some intuitionThen carry out the problem step by stepThen I would ask if t...
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Answered by Harrison L. • Physics tutor
2420 Views

How do you find the stationary points of a graph?

Start by drawing an example graph which contains stationary points, use this to explain what a stationary point is. Explain how we could manipulate the graph to identify these points (explaining differentiat...
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Answered by Harrison L. • Maths tutor
3536 Views