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What is the gerund?

The gerund is a 'verbal noun'such as 'amandi' in 'ars amandi'. It is translated by giving the verb the ending '-ing' (e.g. the art of loving). This can lead to confusion with the present active participle wh...
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Answered by Karalyn G. • Latin tutor
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What is the unit frequency is measured in?

Hertz (Hz), or sometimes megahertz if the Hz is very large.
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Answered by Bradley P. • Physics tutor
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Explain why chloride and bromide are in the same group in the period table. Also describe the electronic structures of both.

They have the same number of 'free electrons' in their outer ring. They both have 7 free outer electrons, this means that all group 7 elements have 7 free outer electrons.
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Answered by Bradley P. • Chemistry tutor
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Describe the function of receptors in the skin?

The first thing that they do is detect a stimulus, this could be a change in temperature or sensation, then once they have done this they convert this into an impulse, which is eventually sent back to the br...
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Answered by Bradley P. • Biology tutor
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Sam and Jack share out £80 in the ratio 5:3, in that order. How much do they each get?

First, you add the 5+3 to get 8. Now you know there are 8 'portions' of the £80 needed to be shared out. So £80/8 is 10. Sam needs 5 portions so 5x10=50 and Jack needs 3 portions so 3x£10 is £30.
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Answered by Bradley P. • Maths tutor
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