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How successful was the League of Nations in the 1920s?

In the 1920s the League of Nations was mostly successful. The League successfully adjudicated the Aaland Islands dispute in 1921, preventing a military altercation between Sweden and Finland. Furthermore, th...
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Answered by Joseph N. • History tutor
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How does Priestley explore responsibility in 'An Inspector Calls'?

Priestley believed that in a rapidly developing capitalist world, issues of social responsibility were of increasing importance. He explores this message in his play, 'An Inspector Calls' through a careful e...
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What does the percentage atom economy mean

It is the atomic mass of the desired product divided by the total atomic mass of all the products in the reaction, multiplied by 100
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Answered by Tobias E. • Chemistry tutor
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Solve the simultaneous equations 3x+2y=8 and 3y+4x=11

Equal out the x terms so 12x+8y=32 and 9y+12x=33Then subtract the first equation from the secondThis gives y=1Put this value into one of the equations so 12x+8=32Solve the equation giving x as 2.
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Answered by Emily P. • Maths tutor
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Explain why a person who has cystic fibrosis may have more lung infections than a person who does not have cystic fibrosis

People with cystic fibrosis have a faulty gene which means they produce excess amounts of mucus. Lots of this mucus is produced in the airways and tends to build up in the lungs. The function of mucus is to ...
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Answered by Tochi D. • Biology tutor
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