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The right ventricle only pumps blood to the lungs, which are very near the heart. The left ventricle needs to pump blood to the eintire body, so the greater distance requires higher pressure to make sure ...

p(x) = 2x⁵ + x⁴ – 26x³ – 13x² + 72x + 36
i) obtain the sum by using vieta's fomula: for p(x) the sum is hence -b/a hence, sum = -1/2
ii) obtain the ...

Extended Intro/ overview of argument : The relative roles of Stalin and Truman were both influential in contributing to the politically turbulent circumstances of 1945-49 in the origins o...

While I have more experience with the IB (where questions concerning the Tet Offensive or war of psychology are very common), I am given to understand that the Vietnam War is also a common topic in GCSE a...

A + B -----> AB In the chemical reaction above, reactant A reacts with reactant B to form product AB. However, it is a common misconception that this reaction only goes in the forward direction (which ...