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What is a destructive plate margin?

A destructive plate margin is formed where the oceanic plate meets the continental plate, and undergoes subduction due to the greater density of oceanic crust. As it is subducted, the oceanic plate melts wit...
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Answered by Erin M. • Geography tutor
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Describe the sequence of events which allows information to pass from one neurone to the next neurone across a cholinergic synapse. (6 marks)

(1) An impulse causes calcium ions to enter the axon. (2) Vesicles fuse with the presynaptic membrane. (3) This causes the release of acetylcholine. (4) Acetylcholine diffuses across the synaptic cleft. (5) ...
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Integrate (tanx)^2

Method: We use the trigonometric identity (tanx)^2 +1 = (secx)^2 to understand that (tanx)^2 can be written as (secx)^2-1.We then use the formula booklet to identify that (secx)^2 is a given integral and its...
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Answered by Tutor382317 D. • Maths tutor
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What is the difference between a for loop and a while loop.

A while loop is used in situations where we do not know how many times a loop needs to be executed beforehand.A for loop is used where we already know the number of times loopneeds to be executed.For example...
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How do I find the roots of a quadratic?

e.g. given x^2 +3x -8 = 0using the quadratic formulayou find x = (-b +- sqrt(b^2 -4ac))/2ayou then find one root using the plus instead of plus minus sign, and the other root using the minus instead of plus ...
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Answered by Tutor382317 D. • Maths tutor
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