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How do I close read a passage from a literary text?

Close readings are an essential part of the study of English Literature. They form the basis of a lot of essay writing, exams and coursework and become particularly important if you’re thinking of studying a...
CN
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How are vesicles and amygdales formed in an igneous rock?

When a lava cools in forms air bubbles which can then burst. Leaving a hollow vesicle behind. Amygdales are vesciles infilled by minerals. Hydrothermal water with dissolved minerals pass through vesicles. As...
RC
Answered by Ruth C. • Geology tutor
4724 Views

Solve (z-i)+(z+i)+(z-1)+(z-1)

Since we are dealing with complex numbers and taking its modulus, we can rewrite (z-i)=((-1)(i-z))=(i-z) doing the same for (z-1)=(1-z) we get (i-z)+(z+i)+(1-z)+(z-1)=(i+i+z-z+1+1+z-z) =(2i+2)=4 as we are ta...
YZ
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What are the four chambers of the heart and what do they do?

The four chambers are called the right atrium, the left atrium, the right ventricle and the left ventricle. Deoxygenated blood enters the right atrium and is pumped into the right ventricle. The blood is the...
HM
Answered by Hannah M. • Biology tutor
8893 Views

Why does adding a constant to a function's input (as in f(x-a)) shift the plot of the function along the x-axis?

Imagine the function f(x) as a black box which takes in any value x and produces an output y. The black box acts on its input according to a rule which produces a unique value of y for a given x. If the blac...
JH
Answered by James H. • Maths tutor
7862 Views