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the alveoli (air sacs that follow from the bronchioles)
Isotopes are atoms of the same element that have the same proton number but different nucleon number. TRAIN OF THOUGHT --- Isotopes have the s...
Get both sides in similar forms to make it easier to solve.1/x1/4 = 1/5x1/4 = 5x = 54 = 625
The gradient of a curve at a point is given by dy/dxDifferentiate the equationplug in the valuesdy/dx = 2ax + 3x = -1, dy/dx = -5-5 = 2a*-1 + 38 = 2aa = 4
The evaluation and critique of sources is part of the foundation of historical understanding, as a result, sources are extensively used throughout the GCSE and A Level programmes. At GCSE level, source pa...
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