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How does fair trade improve living standards?

The fairtrade movement and organisations linked to it strive to meet certain conditions that help improve the lives of the farmers, pickers, transporters and others involved in the growing and production ...

SB
Answered by Susan B. Geography tutor
2567 Views

How does an invasive species cause negative effects on the biodiversity of an ecosystem?

Invasive species can cause negative effects on biodiversity through out-competing native species, becoming a voracious top predator and killing most of the native animals/fauna (especially since if there ...

SB
Answered by Susan B. Biology tutor
3018 Views

Starting from the fact that acceleration is the differential of velocity (dv/dt = a) derive the SUVAT equations.

Intergrating with respect to time, you get that v = u + at. Knowing that velocity is just the rate of change of your position ds/dt = v, and sustituting the previous expression for v, you get ds/dt = u + ...

BW
Answered by Ben W. Maths tutor
6512 Views

In answer section.

  1. The polymerase chain reaction (PCR) is a process to 'amplify' DNA to provide sufficient quantities for further analysis.

PCR involves repeated cycles of heating and cooling of the reac...

JP
Answered by James P. Biology tutor
3174 Views

Prove by induction that n! > n^2 for all n greater than or equal to 4.

This is a fairly typical example of a question from the Further Maths syllabus.

We wish to demonstrate that for all integers n greater than or equal to 4, n! > n2 .

...

JB
19336 Views

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