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Passive transport Diffusion = occurs in gases or aqueous solutions whereby particles are free to move and spread from a higher concentration to a lower concentration. An example is air freshener being spraye...

Make lists of useful vocabulary for the main topics covered throughout the course, as these will come in handy during the exam. Try and go over these and test yourself in the days before the exam. A practica...

Paper 1 consists of a prose and a poem. Take a moment at the start of the exam to skim through both and choose a passage for analysis. Next, dedicate a quarter of your time to reading, highlighting, and anno...

Palaeomagnetism is a record of the Earth’s past magnetic field. When lava is erupted at the surface, magnetic minerals, such as iron, in the lava align parallel with the Earth’s magnetic field. The magnetic ...

In most food chains, all of the energy which is used originally comes from the sun. Plants are "photoautotrophs", which means that they can use light energy from the sun to fuel their life processe...