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How should I approach a primary source question in an exam?

These kinds of questions could ask you to analyse a piece of contemporary text, a picture or an object. However, the way you would go about answering the question would be the same whatever the source, and t...
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Answered by Emma M. • History tutor
2989 Views

What is the probability of offspring (both male and female) being affected by haemophilia if both parents are unaffected?

Haemophilia is a sex-linked genetic recessive disease, meaning it is associated with a gene located on the X chromosome. As males have only one X chromosome, inheriting that chromosome will mean that they wi...
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Answered by Ella B. • Biology tutor
6523 Views

How does the heart pump oxygen around the body?

Our heart can be divided into a left and right side, each containing two chambers: an atrium and a ventricle. Low pressure blood flows into the atria and is pumped out of the ventricles (high pressure); thes...
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Answered by Ella B. • Biology tutor
4781 Views

what is the gradient and y intercept of the equation y=7x+7

gradient =7 y intercept = 7
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Answered by Mohammad E. • Maths tutor
4722 Views

Explain the processes involved in the formation of a waterfall. (6 marks)

A waterfall is an erosional landform, which occurs where there is a layer of hard rock on top of a layer of softer rock. Erosional processes such as hydraulic action and abrasion occur as the river flows dow...
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Answered by Hannah C. • Geography tutor
60880 Views