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What do the coronary arteries do?

The coronary arteries supply the blood to the tissues of the heart, which is made up of cells called myocytes. In the body, the heart acts like a pump and contracts in order to force blood out into the rest ...
ZK
Answered by Zoya K. • Biology tutor
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How should I prepare for my medical school interview?

It’s not so much about knowing a lot about medicine, it’s more about coming across as a friendly, interesting person who is easy to talk to. Don’t worry about having an instant reply, they understand if you ...
MT
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Distinguish between the following two methods of depreciation: straight-line and diminishing balance method.

The straight-line method for depreciation calculates a fixed amount of depreciation over the assets useful life. The reducing balance method calculates the depreciation every year based on the assets net boo...
RB
Answered by Rhea B. • Accounting tutor
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I don't understand how functions work. How do I decide if something is a function?

There is a definition which a pairing between to sets has to satisfy in order to be a function. It is like a checklist, we can go over it and tick each box to see if something is a function. First rule is: i...
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Answered by Zsolt V. • Maths tutor
6461 Views

Explain why Russian serfs were granted their freedom in 1861

Tsar Alexander II of Russia signed the declaration abolishing serfdom in 1861 for a number of reasons, all of which combined to create a situation in which the system of serfdom became untenable in Russia. I...
EC
Answered by Elizabeth C. • History tutor
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