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The first step is to read the question and ensure that the student understands all of the terminology. For example, make sure the student knows what is meant by ‘explain’, ‘enzyme’, and ‘denatured’. Then ...

Comparative advantage is when a firm or country can produce a good at a lower opportunity cost than another firm or country. Opportunity cost refers to the value forgone when alternative is chosen. By cou...

This problem is best solved using implicit differentiation and by tackling each side of the equation individually. First write down the problem as "y = x^x". Recalling that log rules can be used...

There are various renewable energy sources in existence which utilize the natural resources of the planet, such as wind, sun, biomass, wave power, geothermal. The energy produced varies considerably, and ...

The median is the middle number of a set of ordered numbers, i.e. halfway along. To find the median of the data set you should arrange the numbers into order, lowest to highest. Count equally from both en...