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Firstly, humans have a double circulatory system, which increases blood pressure and flow of blood to the tissues. To allow the heart to pump blood around the body, the heart is made of cardiac muscle. These...

First, separate the algebraic fraction:(x+7) / ((x-3)(x+1) 2 = A/(x+3) + B/(x+1) + C/(x+1) 2 Multiply both sides by (x-3)(x+1) 2 : (x+7) = A(x+1) 2 + B(x+1)(x+3) + C(x+3) Set x=-1 in order to eliminate A and...

The passé simple is one of French’s lesser known tenses, since it has now mostly fallen out of fashion. One reason for its decline is the passé composé , with which French students will be more familiar. Bot...

The first question to address here is; what genre is the material you have been learning in class fits. Is it drama, poem, prose, non-fiction? From here, we can look at past exam questions, and observe a tre...

When describing the process of recrystallisation, it is important that every step is mentioned. Firstly, the impure product must be dissolved in a minimum amount of hot solvent. The hot solution should then ...