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The heart is a muscular pump which pushes blood out to the body. It does this by contracting the muscle fibres which sqeezes the blood out. The heart has 4 chambers. Blood comes into the top two chambers,...

Since there is no further factorisation possible we use the quadratic formula x=[-b±√(b²-4ac)]/2a. From the equation in question we have  a=3, b=-7, c=3. Substituting into the quadratic formula...

Many countries all over the world use censuses to gather information about their population. Questions asked in a census include age, gender, nationality, employment and living situation. A census is usua...

Corries are geological features that are formed through glaciation. The glacier sticks to the sides of the valley and, as it moves, pulls away large chunks of rock in a process known as plucking. During t...

Crook lives in a barn seperate from the others. This physical seperation signifies the effect of racial discrimination in America - Crook is marginalised in society as a result of his race. His crooked ba...