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What is a monopoly?

A monopoly is a market structure where there is one single dominant firm (opposite to perfect competition). Since they dominate the market they are able to set the price because there are no close substit...

ZS
Answered by Zuzanna S. Economics tutor
3124 Views

Describe the process of transcription

Transcription is the process where a segment of DNA is copied into a segment of mRNA. This takes place in the nucleus. First the segment of DNA needs to be unzipped, so an enzyme breaks the hydrogen bonds...

CL
Answered by Calum L. Biology tutor
3316 Views

What is the escape velocity of an object leaving a planet mass M, radius R?

As the object leaves the surface of the planet, it loses kinetic energy and gains gravitational potential energy. Through conservation of energy we know the loss of kinetic energy must be equal to the gai...

TR
Answered by Thomas R. Physics tutor
2416 Views

Express (4x)/((x^2) - 9) - (2)/(x + 3) as a single fraction in its simplest form (4 marks)

To do this we need to find a common denominator. We have an (x + 3) on the right hand side and a difference of two squares ((x^2)-9) on the left hand side. So factorising what looks more complicated is fi...

LN
Answered by Luke N. Maths tutor
4704 Views

Explain why there may be tension between human rights and state sovereignty

Human rights are rights that people are entitled to by the virtue of being human. They are said to be indivisible, absolute, fundamental, and universal. These rights are either positive rights (usually ‘f...

AK
15792 Views

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