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Explain Aristotle's Four Causes

In discussing the body and soul, many deem Aristotle to be a materialist, as he doesn't believe in the distinction between the body and soul like other philosophers such as Plato. Aristotle is often called a...
CK
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Geography A Level: Explain how one transnational corporation (TNC) has contributed to the globalisation of the world's economy.

TNC: Coca-Cola Coca-cola employs over 61,000 people worldwide and operates in 5 world regions: Europe, Asia Pacific, Middle East and Africa, North America and Latin America. Coca-cola's headquarters, researc...
LW
Answered by Lucy W. • Geography tutor
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To what extent was Reagan the cause of the end of the Cold War?

How to answer - 3 key words/ phrases: Extent : Asking you to pass judgement. Reagan the cause : Gives you a factor to evaluate/ compare to others. End of the Cold War : Provides direction to the question for...
RB
Answered by Rohan B. • History tutor
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How are trends in ionisation energy explained?

Horizontal trend: First ionisation energies increase going to the right in a period. This is due to an increase in the atomic mass (and number of protons) and hence in the electrostatic attraction between th...
MC
Answered by Miruna C. • Chemistry tutor
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How to prove that Integral S 1/(a^2+x^2) dx= 1/a arctan(x/a) + C ?

In order to answer this question, at first we need to use the method of substitution. That means, we're trying to replace x with a different variable u. Lets use the substitution of x = a tan u, then du/dx =...
JW
Answered by Judyta W. • Maths tutor
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