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How should I answer an A-Level History exam question?

The best way to structure a History essay is usually thematically. For example, if a question is framed such as 'How successful was the Civil Rights Movement in America?' you should divide your essay into th...
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Answered by Jenny S. • History tutor
20802 Views

What are Stem Cells?

Stem cells are (pluripotent) undifferentiated cells that can differentiate into specialised cell types / tissues. Future medical uses involve growing organs from a patients OWN stem cells = zero chance of re...
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Answered by Sophie P. • Biology tutor
3252 Views

Try to translate this sentence into English: 我每天都跑步。我喜欢在早上跑步，夏天也喜欢游泳。

I jog everyday. I like to run in the morning, I like to swim during summer.
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Answered by Michelle K. • Mandarin tutor
3356 Views

Jodie buys 12 cans of cola. There are 330 ml of cola in each can. Rob buys 4 bottles of cola. There is 1 litre of cola in each bottle. Rob buys more cola than Jodie. How much more?

The answer is: (4X1000)-(12X330)= 40, ao 40 ml more. You may wonder why 1 litre is 1000, as 1 litre of cola= 1000 ml of cola so we have to convert 1 L to 1000ml in the anwer. Rob buys more cola than Jodie me...
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Answered by Michelle K. • Maths tutor
3813 Views

What is wave-particle duality?

As you may have already seen, light sometimes behaves as a wave and sometimes as a particle. This is due to something we call "wave-particle duality" by which we mean that objects on the quantum sc...
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Answered by Petr Z. • Physics tutor
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