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The peppered moth is a moth species with pale brown wings. During the industrial revolution, the number of black speciemens increased dramatically around urban areas. Explain this phenomenon using the concepts of natural selection.

The case of the emergence of a new shade within the species is an example of Evolution by Natural Selection . Moths use the colour of their wings as camouflage against predators. The environment they live in...
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Answered by Martin K. • Biology tutor
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What is the "eggshell skull" rule and how does it work?

The eggshell skull rule (or thin skull rule) describes the principle that a defendant must "take the victim as he finds them". This means that particular vulnerabilities or frailties of a victim ca...
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Answered by Eleanor C. • Law tutor
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The velocity of a moving body is given by an equation v = 30 - 6t, where v - velocity in m/s, t - time in s. A) What is the acceleration a in m/s^2? B) Find the expression for the displacement s in terms of t given the initial displacement s(0)=10 m.

A) Acceleration is the rate of change of velocity with respect to time; therefore, in order to calculate it we need to differentiate the given equation of velocity v with respect to time t: a = dv / dt = d( ...
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Answered by Krisjanis P. • Maths tutor
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Describe the main components of the psychodynamic therapy of dream analysis

For this question the main components of the therapy should be described but not evaluated, therefore a conclusion is not needed. For example: The psychodynamic therapy of dream analysis is based on the idea...
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Answered by Seren A. • Psychology tutor
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Explain Jackson's Knowledge Argument and why it could pose a problem for physicalist accounts of mind.

Jackson’s Knowledge Argument is used by opponents of physicalism to cast doubt upon the physicalist’s central claim, that talk of the mental can be reduced to talk purely of the physical. I will now set abou...
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Answered by Max P. • Philosophy tutor
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