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How do I write a good introduction?

The introduction is the crux of the essay in which you clearly set out your line of argument. I would start my introduction off with a quick summary of the historiographical debate surrounding the question, ...
LA
Answered by Luqman A. • History tutor
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John begins to exercise and his heart rate increases - explain how and why his heart rate increases

His heart rate increases as his cellular demand for oxygen increases and the amount of carbon dioxide in his blood increases, this is due to an increase in the rate respiration because of increased ATP deman...
SM
Answered by Sian M. • Biology tutor
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How does a reduction in interest rates affect the level of aggregate demand

Aggregate demand (AD) is total spending on goods and services. The formula = AD = C (consumption) + I (investment) + G (government spending) + (X (exports) - M (imports)) Interest rates = rate of percentage ...
IP
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During exercise changes happen at the skin involving blood vessels and sweat glands, describe these changes.

During exercise body temperatures increase, as this can be damaging to biological processes (enzymes may be denatured) the body tries to maintain a constant body temperature in a process called homeostasis. ...
AC
Answered by Adam C. • Biology tutor
8548 Views

What is the relative molecular mass of ammonia?

Ammonia is NH 3 . Nitrogen has a relative atomic mass of 14. Hydrogen has a relative atomic mass of 1. 14 + (3 x 1) = 17 Ammonia has a relative molecular mass of 17.
AC
Answered by Adam C. • Chemistry tutor
53234 Views