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Considering coastal management, explain the difference between hard engineering and soft engineering, highlighting examples alongside advantages and disadvantages.

Firstly, it is worth understanding what is being asked by the command word used in the question. Explain: Describe the causes and processes involved (using how and why are useful to achieving this). Key Tips...
JF
Answered by Jessica F. • Geography tutor
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Solve the following set of simultaneous equations: 3x + y = 11, 2x + y = 8

First I will explain the scenario and clearly describe what exactly the question is asking us to do: in this case, we have to find the correct value of 'x' and 'y' that successfully agree with both of the eq...
SS
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Heather invests £900 for 3 years at 2% per annum compound interest. Calculate the value of her investment at the end of the 3 years.

At 2% interest rate, we can multiply the amount by 102% for each year (100% + 2%). Each of the 3 years have to be calculated individually as follows: Year 1: 900 x 102% = 918 Year 2: 918 x 102% = 936.36 Year...
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Answered by Zoe H. • Maths tutor
4420 Views

What is the role of succession and how does this maintain ecosystems?

Succession is the term given to describe the changes that take place within an ecosystem. Barren land such as bare rock can be formed by the eruption of a volcano or a glacier retreating. The first stage of ...
PV
Answered by Pankti V. • Biology tutor
14517 Views

Why can there be one major product and one minor product after electrophilic addition takes place across a double bond?

This formation of a major product and minor product only occurs if the double bond is unsymmetrical (when the carbon atoms involved in the double bond are bonded to different groups), for example in butene. ...
CF
Answered by Craig F. • Chemistry tutor
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