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GCSE

Why is scarlet fever, caused by Streptococcus bacteria, more common in children than adults?

Adults are exposed to the toxin as a child, which initiates an immune response. B lymphocytes are produced and release antibodies which bind to the specific toxin and destroy it as part of the humoural im...

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Answered by Amelia D. Biology tutor
3040 Views

What's the difference between 'avoir' and 'être' verbs?

When conjugating a verb (i.e. when we work out that the verb avoir is in these forms: j'ai, tu as, il/elle/on a, nous avons, vous avez, ils ont, that is the same thing as conjugating the verb) in the perf...

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Answered by Georgia W. French tutor
3089 Views

"dux Gallorum timebat ne Romani viros collem ascendentes audirent." How would I go about translating this sentence?

1) Read the whole sentence first so that you can get a sense of what to expect e.g. 2 verbs (timebat and audirent), 1 present participle (ascendentes), a fearing clause anticipating a sub...

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Answered by Seran A. Latin tutor
2935 Views

Explain the meaning of the term ‘externality’ and give an example of one that is negative.

In Economics, externalities occur when producing or consuming a good/service causes an impact on third parties not directly related to the transaction. These impacts can be both positive or negative. Grap...

TD
2761 Views

Express 56 as a product of prime factors in its simplest form

A prime factor is a factor (or divisor) that cannot be divided by another number.So we start with the first prime number 2: 56 / 2 = 28.8 is even, so we can divide by 2 again, 28 / 2 = 14.14 is even so we...

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Answered by John K. Maths tutor
3928 Views

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