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What evidence is there to show that global warming exists?

There are several things that prove global warming is an existing problem. One of the main pieces of evidence is the rise in global temperatures. The increased production of greenhouse gases has resulted in ...
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Answered by Shahari K. Geography tutor
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Integrate 3x*2 using limits of 3 and 2

(See whiteboard for step by step process) First, we write down the function we want to integrate (3x 2), and include the limits at the top and bottom of our integration sign to show that it's a definite inte...
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Answered by Charlie W. Maths tutor
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What stabilizes a carbocation in a nucleophilic substitution reactions?

Essentially, it is the adjacent atoms or groups attached to the central carbon atom which have the ability to stabilise or destabilise a carbocation. The formation of this carbocation is what determines the ...
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Answered by Alfie H. Chemistry tutor
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What triggers an earthquake at a tectonic plate margin?

Earthquakes are caused by the release of tension that builds up at plate margins. They can be triggered at destructive, constructive and conservative boundaries. At destructive margins, tension builds up as ...
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Answered by Charlie W. Geography tutor
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differentiate (1+2x^2)^(1/2)

This differentiation requires use of the chain rule. The first step is to differentiate the whole thing, treating the bracket as u, so u=1+2x 2 . Therefore we are differentiating u 1/2 . This means our first...
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Answered by Reuben S. Maths tutor
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