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To differentiate, the rule is to bring the power down to the front and multiply the expression, then take one off the value of the power, for example: d/dx(x²) = (2)x^2-1 = 2x, so the...

The gaps within an absorption spectrum occur when the light that is measured has passed through a medium that has absorbed some photons. The photons that the medium absorbs are specific to the element tha...

Allopatric speciation occurs when the population of a species becomes divided and the two (or more) groups are isolated from one another. Different factors in the environment of each group will affect th...

The term global village refers to the phenomenon of Globalisation and the idea that over recent years, the world has become a highly connected place where places , people , things and societies have becom...

The binding of the first oxygen molecule changes the tertiary and therefor the quaternary structure of the haemoglobin molecule, therefore exposing another binding site making is easier for the second mol...