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The term 'global commons' refers to resources that are shared and accessible by all, with no single governing country or power. The four notable global commons include the high seas, the atmosphere, outer...

Haemoglobin is a molecule in red blood cells with a high affinity for oxygen. It consists of 4 haem groups, each of which associate with one oxygen molecule at high pO₂, typically in the lungs....

For speciation to occur, a population must split into at least two isolated parts to avoid the spread of genes between them; the nature of this isolation is what defines sympatry and allopatry. In allopat...

"Solve the simultaneous equations" is another way of saying find the unknown variables. In this case, they are x and y. When looking at the second equation, y^2+5x^2+2x=0, we can see that we hav...

You could think of a 'harmonic device' as a 'harmonic technique' e.g. circle of fifths or chromaticism. When a question is asking what harmonic device is being used it is likely to be very obvious e.g a c...