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Two straight lines can intersect at only one point. To identify the point at which the lines cross, we make a simultaneous equation, and solve x and y from here, by firstly writing one equation on top of ...

Personellement j'adore le foot, donc chaque weekend j'aime jouer au foot avec mes amis dans le parc, surtout pendant l'été quand il fait chaud. Le samedi dernier j'ai regardé un match avec mon père mais m...

1. The heart is myogenic which means it generates its own electrical impulse - this originates from the sinoatrial node in the right atrium. 2. The impulse from the SA node passes through the right and...

When we breathe we inhale oxygen from the air into our lungs. The alveoli are tiny air sacs in the lung where oxygen diffuses into the blood via small blood vessels, known as capillaries. The blood in the...

Mix the reagents and record the time taken for a specific observation, e.g. disappearance of colour which is characteristic for this chemical reaction. We repeat this step and add more manganese(II) ions;...