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How can I make sure that my essay is relevant to the question?

First, you need to be sure of all of your learning objectives: this is what the examiner is going to be looking for, and if you tick all the boxes, then you're on the right track! Incorporate this into your ...
ZE
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Molecules of a substance are able to move between cells. What are the two main processes by which this occurs? What is the main difference between these two processes?

Within cells the two main forms of cellular exchange are diffusion and osmosis. These two terms can sometimes be mixed up as they both mean "the movement of molecules of a substance from an area of high...
TD
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Explain why Germany started World War Two

When writing a response to this question, you should consider a range of reasons that led them to entering the war. One of the main reasons is explained below: The hatred for the Treat of Versailles: Hitler ...
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Answered by Will A. • History tutor
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What is eutrophication?

Eutrophication is a result of nitrogen rich compounds leeching from farm land fertilizer/manure or other pollution methods to the river water ecosystem. The all of a sudden nitrogen rich environment in the r...
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Answered by Festus S. • Biology tutor
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In d block chemistry, Copper and Chromium electron configuration do not follow the electron filling trend , why is this?

Copper has a [Ar]4s1 4d10 whereas Chromium has a [Ar]4s14d5 electron configuration as this d shell configuration of either half full d shell (5 electrons) with only one electron per orbital or fully full d s...
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Answered by Festus S. • Chemistry tutor
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