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What is peristalsis?

Peristalsis is the mechanism by which gut muscles contract. There are two main types of muscle in the gut:

-longitudinal

-circular

Together, these muscles cont...

SK
Answered by Saadiyah K. Biology tutor
7225 Views

How best to structure answers to essay style exam questions?

The best method would be to follow the PEA technique. PEA stands for:
POINT
EVIDENCE
​ANALYSIS

First make a point about the given text. Then provide evidence by quoting ...

SK
9921 Views

With reference to a named disease of affluence, outline the impact on health, economic development and lifestyle.

A disease of affluence affecting MEDCs such as the USA and the UK is Coronary Heart Disease. The rate of this disease is increasing due to the high rates of obesity and smoking in both countries. The d...

LK
Answered by Laurie K. Geography tutor
4370 Views

Describe and comment on the social, economic and political implications of population change?

An increasing population results in the social problems of over-crowding, with the availability of less homes, increasing the demand for houses of multiple occupancy, and raising house...

LK
Answered by Laurie K. Geography tutor
8022 Views

How can theists reply to the problem of evil and suffering?

There are a number of theodicies used to defend the existence of God against the problem of evil and suffering. One such argument is called the free will defence and is advocated by Alvin Plantinga. He...

AS
4295 Views

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