Top answers

How do viruses cause disease?

A virus is an example of a pathogen. Pathogens also include bacteria, fungi or protists, and all are capable of causing infectious disease. Viruses are very small, much smaller than bacteria. They consist of...
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Answered by Kavindi G. • Biology tutor
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Explain how changes to the guard cells on the warm day help the plant to survive

the points you need to get accross here are; -on a warm day, there will be more evaporation from the plant, -therefore the guard cells will close around the stomata so that the plant will not lose too much w...
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Answered by Ella S. • Biology tutor
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What is the doctrine of precedent? / What are its advantages and disadvantages?

A doctrine or policy by which the lower courts in hierarchy are required to follow rules or principles laid down in previous judicial decisions by higher Courts. (Latin: 'stare decisis' - to stand by decided...
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Answered by Constantina L. • Law tutor
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What issues are found within Social and Biological Psychology regarding socially sensitive research?

Both Social and Biological Psychology entail issues surrounding the social sensitivity of their research, referring to at what cost the ethical implications as a by-product of studies come, in terms of the b...
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Answered by Hope H. • Psychology tutor
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Describe the enthalpy change of formation of butane.

The enthalpy change of formation of butane is the enthalpy produced when one mole of butane is formed from its elements, all under standard conditions and in their standard states. 4C (s) + 5H 2 (g) = C 4 H ...
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Answered by Edward L. • Chemistry tutor
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