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Arteries carry blood away from the heart whereas/or veins carry blood towards the heart.M2: Arteries have much thicker walls than veins (due to the thicker muscle and elastic layers) M3: Veins tend to have valves (this prevents backflow)

Arteries carry blood away from the heart whereas/or veins carry blood towards the heart.M2: Arteries have much thicker walls than veins (due to the thicker muscle and elastic layers) M3: Veins tend to have v...
AA
Answered by Aisha A. • Biology tutor
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Factorise fully 3a^3b + 12a^2b^2 + 9a^5b^3

The first step here is to find a common factor in each term. If we first look at the coefficients of each term we can see the first common factor is 3, so we can write that first outside of our brackets. 3.....
EG
Answered by Ellie G. • Maths tutor
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How do you use the product rule?

The product rule is used to find the differential of expressions of the form y = u(x)*v(x) where u(x) and v(x) are functions in terms of x. An example of such an expression could be y = x 2 sin(x) . The prod...
LL
Answered by Laura L. • Maths tutor
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Apart from voting in elections and referendums, describe two ways of participating in politics.

Joining a political party this may cover a range of participative methods from commenting on policy to attending party conferences or simply being a donor or fund raiser. Joining a pressure group, again this...
OS
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'Kant's ethical theory has serious weaknesses.' Discuss. [10]

Kant's ethical theory of the categorical imperative presents more weaknesses than it does strengths. The Categorical Imperative is a deontological approach to ethics that does not factor in potential consequ...
NF
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