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Explain the statement that oligopolistic markets such as supermarkets or car manufacturers can be defined in terms of market structure or market conduct.

An oligopoly is a type of market structure in which there are few firms with large market share and degree of monopoly power. Car manufacturers and supermarkets are an example of that. Oligopolies are charac...
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Answered by Viviana C. Economics tutor
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Describe how the physical defences of human body prevent the invasion of microooragnisms which cause infections.

Our skin surrounds almost all parts of our body and can act as a mechanical barrier between microorganisms and our body. If the skin is damaged or cut, a scab will be formed to prevent microorganisms from en...
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Answered by Audrey T. Biology tutor
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How is the electrical activity of a heartbeat coordinated?

The heart is a muscle made up of myocytes, which can contract without any innervation or coordination. However, it is important that the heart contraction is controlled and regulated in a way which can respo...
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Answered by Naomi S. Biology tutor
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How to expand double brackets?

Use the FOIL method, first, outside, inside, last. 1) F: The first term in the first bracket multiplies the first term in the second bracket. 2) O: The first term in the first bracket jumps outside to multip...
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Answered by Hannah T. Maths tutor
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What are the differences between meiosis, and mitosis?

Meiosis occurs in the ovaries or testes to produce gametes. Gametes are sex cells such as an egg cell or sperm cell. Four cells are produced by this process and they are non identical. Mitosis occurs through...
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Answered by Amy M. Biology tutor
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