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We know Newton's Law of Gravitation, which states that the force F between two bodies of masses M and m respectively, separated by distance R, can be given by: F = GMm/R<...
Polymers such as PET have various properties such as being flexibility, lighweight and good strenght to weight ratio that allow them to be ergonomically used by consumers. Polymers are also able to be pig...
Negative externalities are caused either by the consumption or the production of a good or service. The use of cars results in the creation a negative externality of consumption, which is defined as an ex...
Close analysis questions at A Level English require a lot of detailed attention to the text provided. In the extract based questions, examiners are looking for detailed understanding of language and its e...
The PPF (Production Possibility Frontier) curve demonstrates the maximum combination of two goods that an economy can produce simultaneously, given that all resources are used fully and efficiently.
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