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Name two structural differences between arteries and veins.

  1. Arteries have thick, elastic, muscular walls whereas veins have thin walls with few elastic fibres. Arteries need these properties to give them the strength and elasticity needed to cope with the hi...
JW
Answered by Jennifer W. Biology tutor
115691 Views

How does Japanese writing work?

Japanese script consists of three different systems of symbols. Katakana, hiragana and kanji.

Katakana is used for words taken from other languages, more colloq...

LM
Answered by Lydia M. Japanese tutor
2971 Views

How to solve the maths GCSE question about Hannah's sweets that went viral

Students took to Twitter to moan about how difficult the question was.

I agree, there is something inherently comic about the question, since you start off talking about Hannah and sweets...

MB
Answered by MINGWEN B. Maths tutor
8849 Views

Expand and simplify (5x – 2y)(3x – 4y)

In this question, we are asked to 'expand' out the brackets. What this means is we need each term in one set of brackets (5x and -2y) to be multiplied by each term in the other set of ...

MA
Answered by Maymana A. Maths tutor
19598 Views

What is Porters Five Forces?

Porter's Five Forces is a theory made by Mr. Porter and it assumes that there are five important forces that determine competitive power in a business situation.

Supplier Power:

TP
2183 Views

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