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What is the difference between velocity and speed?

Speed is a scalar quantity, meaning it gives us information for only the magnitude, how large a quantity is. Velocity is a vector quantiy, and this means it gives us both magnitude and direction. Both speed ...
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Answered by Michalis C. • Physics tutor
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What are the stages of the Carbon Cycle? How are fossil fuels affecting CO2 levels?

Stage one: Carbon enters the atmosphere by - respiration in organisms (e.g. animals breathing) - combustion (e.g. burning of fossil fuels/ wood) - decomposition and decay (microorganisms respiration) Stage t...
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Answered by Rebecca A. • Science tutor
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Use the equation 2(x+4) + 6(x-1) = 14, to find x.

Firstly, you need to get rid of any brackets. You do this by expanding them. This becomes 2x + 8 + 6x - 6 = 14. The next step is to get all the x's on one side, and all the numbers on the other. You already ...
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Answered by Ursula R. • Maths tutor
3861 Views

What are the main differences between prokaryotes and eukaryotes?

Scientists have categoried all life on Earth into three 'domains'. These are: eukarya, bacteria and archaea. The domains bacteria and archaea both contain prokaroytes. Because these groups have experienced d...
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Answered by Aine F. • Biology tutor
5575 Views

In your opinion, what does the mockingbird symbolise in To Kill a Mockingbird by Harper Lee?

The mockingbird features prominently throughout Lee's novel and is used to represent innocence. Near the beginning of the novel, Atticus tells Jem and Scott that it is a "sin to kill a mockingbird.&quot...
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Answered by Ursula R. • English tutor
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