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Last year, I travelled to Madrid to interview a famous actor. I enjoy working as a journalist because the job is so exciting. However, my dream is to become a teacher although it i...

26 protons, 30 neutrons and 26 electrons.

When factorising a quadratic expression the aim is to put the expression into brackets. Step 1: Label each expression as a b c2x2 = a 5x = b -3 = cStep 2: Multiply a with c number 2 * -3 = -6 Step 3: Know...

A quadratic equation is written in the form: ax² + bx + cTo factorise, we need to know what 2 numbers multiply to make ac and add to make bac= 8b=64 x 2=8 4+2 = 6We replace b for these two numb...

The alveoli are arranged in clusters at the end of the bronchioles in the lungs. The lungs contain an extremely large surface area of alveoli (around 70m2) which acts to provide the maximum space for the ...