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The internet and instant communication technologies are profoundly changing our world for the better. Do you agree?

The internet is a function which allows individuals to access masses of data, research information as well as create social profiles. Instant communication technologies include mediums which provide individu...
DD
Answered by Dilara D. • LNAT tutor
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How does Priestley explore the importance of social class in ‘An Inspector Calls’? Write about: • some ideas about social class in the play • how Priestley presents the importance of social class.

Priestly explores the importance of social class by highlighting that it is not realistic to abdicate from a sense of communal responsibility when such a vast number of the population is going through such h...
DD
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Describe a simple experiment to determine the speed of sound in air.

One method to measure the speed of sound would require two people, a large open space, a starting pistol that produces smoke instantaneously when fired, a stopwatch and a tool to measure long distances (e.g....
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Answered by Alex E. • Physics tutor
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State why it is initially unexpected for alkenes to undergo electrophilic addition with bromine. Explain why this reaction does indeed occur.

Bromine exists as Br 2 , and since both bromine atoms are identical - their electronegativities identical, - the electron density is distributed evenly across the molecule (it is non-polar, the atoms have eq...
KC
Answered by Kai C. • Chemistry tutor
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Differentiate the equation: 3x^2 + 4x + 3

3x 2 + 4x + 3 = 6x + 4
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Answered by Kasam A. • Maths tutor
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