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                                                     Ca             NPercentage:                         81.1%       18.9%Relative atomic mass:     40.1             14Ratio:                               ...

In this question, we are being asked to combine the functions f(x) and g(x). The function gf(x) is 'putting in' the function f(x) into g(x). What we do is substitute whatever f(x) is into the g function l...

A mass extinction is a large decrease in the number of species over a relatively short period of time (several millions of years). The most likely cause of this species decline i...

So firstly, when we do a rationalisation problem, we are trying to get rid of any surds in the denominator(the bottom part of a fraction). Surds are numbers that have been square rooted and do not equal a...

The term 'ethnocentric' describes an attitude or policy that gives priority to the culture and viewpoint of one particular ethnic group, while disregarding others. The culture that domina...