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The evolutionary explanation of human aggression derives from the changes in species over millions of years. These changes work to increase their chances of survival and reproduction, these changes also k...

One way of defining potential is:The GPE per unit massWe define an infinite distance from the centre of our field to have zero potential, this means that energy needs to be provided to an object for it to...

Cell differentiation is the process by which a cell changes to become specialised for its function. As cells change they develop different sub-cellular structures, eventually turning into different types ...

When answering a 6 mark question such as this you need to ensure you are using the correct scientific terminology and checking off all the key marking points in order to score highly. In this example ther...

T=20.2 degrees Celsius. Start by finding number of moles using n=mass/Mr so n=1.33/32=0.0416. Find the volume in m^3 using 1cm^3=110^-6 m^3 giving V=110^-3 m^3 then rearrange PV=nRT to get T=PV/n...