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Explain two causes of ageing populations in MEDCs

One cause of ageing populations in certain MEDCs is improved access to healthcare. Improved access to healthcare allows individuals to receive treatment more promptly, assisting in stopping preventable il...

JP
Answered by Jools P. Geography tutor
2179 Views

Analyse how barrier to entry determine the degree of competition in the British transport market.

A barrier to entry is any complication or expense a firm might encounter when entering the transport market. There are many barriers to entry such as economies of scale being exploited by pre-existing fir...

NW
6142 Views

What happens during eutrophication?

The addition of nutrients such as nitrate means that nutrients no longer limit plant growth.Algae begins to bloom which blocks out sunlight. As a result, plants cannot photosynthesise (or photosynthesis i...

EC
Answered by Emily C. Biology tutor
2899 Views

Differentiate the function y = 26 + x - 4x³ -½x^(-4)

dy/dx = 1 - 12x² + 2x^(-5)

LM
Answered by Louix M. Maths tutor
3319 Views

How is immunity developed after a primary infection by bacteria?

Phagocytosis - A phagocyte detects the bacteria has foreign antigens and so envelops it with its cytoplasm, packaging it into a phagosome via endocytosis. Lysosomes then fuse with the phagosome releasing ...

DV
Answered by Daniel V. Biology tutor
2628 Views

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