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This is a classic A-level question which uses the formula:PV=nRT First, this equation (which needs to be learnt, it is not given in the exam papers) must be rearranged to:n=PV/RTWhat all these letters in ...

Xerophyte adaptations include: Curled leaves - create a micro-climate of more humid surrounding air, hence less water is lost to the dry surroundings. Small hairs on leaves - slow surrounding air flow, th...

Stem cells tend to have two distinct characteristics that set them apart from all other cell types.
1) They are able to grow indefinitely in defined media unlike somatic cells which ...

Why AOs matter: AOs stand for Assessment Objectives and they let you know how you will be assessed in your english literature exam. No matter what exam board you are doing, the same AOs a...

During Augustus' reign as Princeps, he restored and built many temples. This was done to further promote his own ideology and to embed himself within the religious culture of the city of Rome. In Augustus...