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How does speciation occur?

Reproductive separation occurs, this could be through geographical separation . (1) Therefore no interbreeding in the population. (2) This results in separate gene pools . (3) Variation due to random mutatio...
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Answered by Shoam B. • Biology tutor
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Why is Howard Becker significant in Sociology?

Howard Becker is a labelling theorist who believed that an act in not inherentely criminal until it is labelled and until there is a societal reaction to this act. This is important in sociology when studyin...
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Answered by Diana S. • Sociology tutor
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A sequence is defined by the recurrence relation u(n+1) = 1/3 u(n) + 10 with u(3) = 6 . Find the value of u(4) and the limit of the sequence.

A sequence is defined by the recurrence relation u n+1 = 1/3 u n + 10 with u 3 = 6 . Find the value of u 4 and the limit of the sequence. To find the value of u 4 we replace u n by u 3 in the equation and th...
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Find the equation of the line passing through the point ( 2, −3) which is parallel to the line with equation y + 4x = 7

First we rearrange the equation y + 4 x = 7 to y = −4 x + 7 So we can see that the gradient of this equation is −4. Since the line we are looking for is parallel, it must have the same gradient, −4. So now w...
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Answered by David-Ruben S. • Maths tutor
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What makes a "good" creative writing piece?

First of all, there is no specific framework for a good piece of creative writing! Everybody writes differently, and different styles of writing require different skills. A gossip magazine column is very far...
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