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Outline the process which occurs when an action potential arrives at a synapse

A synapse is a gap between two neurons and it can be thought of in 3 parts: The presynaptic neuron - The neuron at the start of the synapse. The synaptic cleft - The gap between the two neurons The postsynap...
ES
Answered by Eloise S. • Biology tutor
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What were the main causes of the Bolshevik success in the Russian Civil War?

White Army weaknesses: Disunited and quarrelsome (no united goal or leader)Organisation of directory (coalition) lasted 2 months : Sept-Nov 1918Kolchak unable to establish an understanding with the allies, C...
MA
Answered by Martha A. • History tutor
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What is electronegativity?

It is a measure of how much a neutral atom wants an electron, metals have very low electronegativity, they almost always give electrons up, whereas non-metals usually uptake electrons, so they have a high el...
MF
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Calculate the area of a sector which has an acute angle of 30 degrees and a radius of 5cm.

Sector area = (angle/360) + πr 2 Therefore the answer would be: Area = (30/360) + (π x 5 2 ) = 78.62 degrees to 2dp
PH
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With the help of a diagram, explain how collusion between energy suppliers could affect the retail prices paid by consumers. (9)

Collusion is when firms cooperate for mutual benefit. This usually occurs in oligopoly markets such as the energy market, where a few large firms compete for market share. Collusion between energy suppliers ...
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Answered by Oliver W. • Economics tutor
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