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There are 4 chambers of the heart; 2 atria (upper chambers) and 2 ventricles (lower chambers). Blood flows from the vein into the atrium, and when the pressure of the atrium is higher than the pressure of...
Both Gladstone and Disraeli enacted policies that could be considered reformist. That being said, one should be careful not to ignore the fact that there were elements of compromise, consolidation and eve...
First, know the log rule: log(x) - log(y) = log(x/y)Second, know the log rule: log(a) + log(b) = log(ab)So, starting with the brackets: log(40) -log(20) = log(40/20) which is log(2).Now we have: log(2...
Firstly, note that the reaction is complete burning. This means there is no carbon monoxide produce, only carbon dioxide.Secondly, we should know that all simple combusti...
First we can try and factorise the expression:So we want to find 2 numbers that multiply to 6 and add to -5... after some thinking we get -2 and -3. The factorised expression is y=(x-2)(x...
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