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What did Marx mean when he said that "religion is the opium of the people"?

Well firstly, we need to understand what opium is... It was a powerful drug (similar to today's heroin), that was really popular during Marx' time. Opium was used in small doses (for things like medicine, an...
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Answered by Gaby G. • Sociology tutor
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What is the difference between diffusion and active transport?

Diffusion is passive (doesn't need use energy as ATP) where as active transport is active (by hydrolysis of ATP ) Diffusion is down a concentration gradient (from are high conc to low conc) where as active t...
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Answered by Leena M. • Biology tutor
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Describe and explain three differences between meiosis and mitosis

Mitosis consists of one cell division whereas meiosis consists of two cell divisions.Mitosis produces two genetically identical daughter with the same number of chromosomes as the parent cell whereas meiosis...
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Answered by Krishan P. • Biology tutor
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Given that y={(x^2+4)(x−3)}/2x, find dy/dx in its simplest form.

Looking at the problem to start we can see that this is an algebraic division problemThere are three common methods you will come across for finding dy/dx for algebraic problems: The Chain Rule, The Product ...
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Answered by Meeza T. • Maths tutor
7943 Views

How do I deal with parametric equations? x = 4 cos ( t + pi/6), y = 2 sin t, Show that x + y = 2sqrt(3) cos t.

Note: I have a screenshot of the question that I should be able to add to the work space. Q5 C4 June 2014 Edexcel.x + y = 2sqrt(3) cos tStart with x = 4 cos ( t + pi/6) and the trig identity cos(A + B) = cos...
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Answered by Karina D. • Maths tutor
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