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Describe and explain the changes organic material undergo in coalification

Organic material accumulates in an area of fast plant growth and anaerobic conditons (which stops the vegetation decaying), such as a tropical delta, the organic material is buried which leads to increases i...
CB
Answered by Callum B. • Geology tutor
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What should be included in the introduction to an essay?

An introduction to any history essay that is asking you to asses or evaluate and argument or interpretation should being with your personal standpoint and argument being outlined without using the first pers...
HP
Answered by Hannah P. • History tutor
3196 Views

How to solve simultaneous equations with a quadratic

Example. " Solve the simultaneous equations y + 4x + 1 = 0 y^2 + 5x^2 + 2x = 0 " We can rearrange the first equation to something that we can substitute into the second equation, for example y = -4...
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Answered by Tilly W. • Maths tutor
3789 Views

How do I analyse this piece of American World War Two propaganda?

In this famous piece of anti-Japanese propaganda, ‘This Is The Enemy’, the message to the American public of the early 1940s seems obvious at first reading, and yet contains layers of meaning. We will first ...
CH
Answered by Caroline H. • History tutor
3075 Views

Explain the process of semi-conservative DNA replication.

The enzyme DNA helicase breaks the hydrogen bonds between the two polynucloetide DNA strands causing the double helix to unzip, forming two single strands. Each original single strand then acts as a template...
BJ
Answered by Bardwell J. • Biology tutor
58877 Views