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The structure of an introduction is simple and should follow these lines: ‘In light of this question, this is the argument I am going to make, and I intend to make it in this way’. In order to ensure it i...

(I have underlined any keywords in this response)

Break this question down into 2 halves to make it easier to answer:

1. "What is meant by 'active transport' " : Active transpor...

This question uses a combination of standard differentiation and the product rule. The second part of the equation cos(x)sin(x) is the product of two funtions so the product rule must be used. Product rul...

Both of these tenses are used to denote events that occured in the past, but they are troublesome for several reasons and used in broadly different contexts. First, it is important to note that the imperf...

In this case, mpc is the Marginal Propensity to Consume, which is a value between 0 and 1 representing the proportion spent on consumption of an extra unit of income received by a consumer. It is used for...