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What occurs at a constructive plate margin?

A constructive plate margin can also be called a divergent plate margin, and it is where two tectonic plates move in opposite directions away from one another. Magma rises up between the plates forming new c...
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Answered by Sophie C. • Geography tutor
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What is the integral of ln(x)? Hint: use parts for this integration

We use parts for this integration even though there is only one term! make ln(x)=1ln(x) How to do integration by parts If you have a function that you need to integrate that is two functions of x multiplied ...
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Answered by Joseph W. • Maths tutor
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What is diffusion?

Diffusion is described as the movement of molecules from a high concentration to a low concentration, through a concentration gradient until evenly spread out
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Answered by Anesha A. • Biology tutor
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How do you know when to use savoir or connaitre?

Savoir is used when you know a fact, or how to do something eg I know how to get there, I know that he arrived. It is followed by que/qui/comment... (that, who etc) eg Je sais qu 'il est arriveConnaitre is u...
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Answered by Monique K. • French tutor
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Find dy/dx where y=e^(4xtanx)

Here, we must apply both chain and product rules. The chain rule can be used to find the derivative of a function in the form e f(x) , like this one. However it is useful to know that this will result in the...
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Answered by Monique K. • Maths tutor
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