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What gives rise to antibiotic resistance?

Key pointsVARIATION: A population of bacteria aren't all identical, even having all derived from a single bacterium. Rapid genetic exchange gives rise to mutations. SELECTION PRESSURE: By adding th...

Answered by Aman S. • Biology tutor

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What are the methods of calculating depreciation?

There are 2 ways in calculating depreciation: Straight Line method and Reducing Balance method. Straight Line method is simple to calculate ( (cost of the asset - Residual value) / Useful life ). When cal...

Answered by Faizan A. • Accounting tutor

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Discuss different forms of coastal management

The UK uses sediment cells to manage its coastal areas. Different management plans are allocated to different areas often based on a cost benefit analysis. The plan implemented is often decided on the bas...

Answered by Maya L. • Geography tutor

2079 Views

Expand and simplify (x − 4)(2x + 3y)^2

Expand the (2x + 3y)^2 term to give 4x²+ 9y² +12xy Expand (x - 4)(4x²+ 9y²+12xy) to give (4x³+9xy²+ 12x²y - 16x²

Answered by Mohammed R. • Maths tutor

4548 Views

How does Orwell use juxtaposition throughout 1984, and what effect does this have on the reader?

The primary use of juxtaposition in 1984 is the near-constant juxtaposition of truth and reality, versus deception and lies, especially through wordplay and appearances. The Ministry of Love's violent tor...

Answered by Sian R. • English tutor

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