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Why does the breathing rate increase during exercise?

The breathing rate increases at the start of exercise then reaches a peak and plateaus during exercise. After exercise the breathing rate will gradually fall, but this may take several minutes. During exerci...
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Answered by Ayushi M. • Biology tutor
11085 Views

How should I structure an opinion essay in Spanish?

The easiest way to approach an essay is to follow the standard formula: “introduction + development + conclusion”. The number of paragraphs you should aim for will depend on the specific task. For example, f...
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Answered by Aida S. • Spanish tutor
4578 Views

How do I structure my essay for an exam?

Before you start planning or even thinking about your answer, READ THE QUESTION a few times and RELAX. Highlight the key words in the question, which could be a theme, a character or a quote but also look at...
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Answered by Ellen M. • English tutor
2575 Views

Find the set of values of k for which x^2 + 2x+11 = k(2x-1)

The discriminant for a quadratic polynomial of the form f(x) = ax^2 + bx + c is given by b^2 - 4ac. If the discriminant is strictly greater than 2, the quadratic has 2 real distinct roots, i.e 2 unique x-val...
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Answered by William A. • Maths tutor
14448 Views

How far do you agree that World War Two substantially changed the United States?

Breaking down an essay into smaller pieces can help to keep the argument clear and concise and ensures you are answering the question. Each essay can be based around the same basic frame work; an introductio...
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Answered by Elena H. • History tutor
2894 Views