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The MMR vaccine is given to children in order to prevent the conditions measles, mumps and rubella. Describe how a vaccine works?

Vaccines contain dead or inactive forms of a pathogen. - These dead or inactive forms stimulate the white blood cells to produce antibodies against the pathogen. - If a person is infected by the pathogen in ...
VH
Answered by Victoria H. • Biology tutor
3779 Views

How significant was the 1933 Reichstag fire in consolidating Nazi power?

The Reichstag fire was just one of the factors that contributed to the consolidation of Nazi power. It was significant in that it gave the Nazis the excuse they needed to gain control over their political ri...
PL
Answered by Philippa L. • History tutor
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Factorise y^2 + 7y + 6

So here we have a quadratic equation because it has the structure a^2 + bx + c. In order to factorise a quadratic we first need to look for two numbers that we can multiply together to get 6 and add together...
VH
Answered by Victoria H. • Maths tutor
14749 Views

How do I find the vector/cross product of two three-dimensional vectors?

Finding the cross product of two 3D vectors uses a very similar method to that of finding the determinant of a 3x3 matrix. So, to find the cross product, just follow these simple steps: To begin, create a 3x...
LM
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Discuss Yeats’ presentation of his disappointment in Ireland in ‘The Fisherman’

Yeats reaches a point of resignation in the second stanza by confirming his envisioned fisherman to be “A man who does not exist, / A man who is but a dream”. The anaphora and the indication of the fisherman...
CN
Answered by Caroline N. • English tutor
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