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What is a chromosome?

A chromosome is a long, tightly coiled molecule of DNA. Chromosomes are split into sections called genes. In the human body there are 48 chromosomes within each cell (except sex cells which have 23). Chromos...
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Answered by Nathaniel S. • Biology tutor
5326 Views

How do I Analyse poetry?

When conducting an analysis on a poem, you must take in to account six importanct factors: Imagery, language, tone, title, structure and rhythm. It is important to read through the poem a few times, so you g...
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Answered by Maira K. • English tutor
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Expand completely: (3a-6)(a+3)

Final Answer: a 2 +3a -18 Using FOIL (First, outside, inside, last) we multiply the terms in the brackets together. First: 3a multiplied by a = 3a 2 Outside: 3a x 3 = 9a Inside: -6 x a= -6a Last: -6 x 3 = -1...
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Answered by Sam S. • Maths tutor
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Calculate the acceleration of particle thats velocity changes from 20ms^-1 to 40ms^-1 in 5 seconds, assuming its constant.

Acceleration is the rate of change of velocity, so we subtract the final velocity from the initial velocity and divide it by the time taken for the change. In this case the acceleration is (40-20)/5 = 4ms^-2...
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Answered by Orlando F. • Physics tutor
4327 Views

How can we begin to explain the causes of the First World War?

The best way to tackle the question is first to understand what they are asking of you, and then look closely at how the question is structured because this is often a key to structuring your essay. In this ...
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Answered by Filipa R. • History tutor
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