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Why should we not overprescribe and overuse antibiotics?

Antibiotics are used for killing bacteria and therefore, it can act as a selection pressure. This means that the bacteria can mutate, in order to avoid being killed and this would be a favourable mutation, a...
NR
Answered by Niva R. • Biology tutor
3680 Views

By factorising, solve the quadratic equation x^2-8x+15=0

First we find two numbers that that add up to -8 and multiply to make 15. In this case the numbers are -3 and -5. This means we can now factorise the quadratic to give (x - 5) (x - 3) = 0. For the above to b...
IN
Answered by Ivo N. • Maths tutor
4148 Views

How do I form the perfect tense in French?

Forming the perfect tense in French is simple: you need to firstly decide whether the verb you want to conjugate is avoir or être. If the verb is avoir, then you must first conjugate avoir in the present ten...
TD
Answered by Tutor45079 D. • French tutor
3083 Views

Comparing the themes of ‘death’ in ‘The Man He Killed’ (Thomas Hardy) and ‘Anthem for Doomed Youth’ (Wilfred Owen).

Another way in which the theme of death is shown is through the structure of these two poems. There are differences in the way the poems are structured. Hardy’s ‘The Man He Killed’ is written in quatrains, w...
JH
12209 Views

Explain two benefits to a business of ensuring the protection of their employees’ health and safety (4)

By ensuring the protection of their employee's health and safety an employer can dimish the chance of accidents occurring in the workplace. This is beneficial as less business working days would be lost to a...
JD
14195 Views