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This question can be difficult to see where to start, but can be quite easily solved once you realise what you have to do Firstly, let ax²+ bx + c =0. If this is also true, a=1, b= -3, and c...

1. Fertilisers are washed into waterways by rain or irrigation.

2. The increased availability of nutrients causes aquatic plant life to grow rapidly.

Speed and velocity may seem like identical measures but this is not the case. Speed is a scalar measurement meaning it only takes into account magnitude not direction, velocity is a vector quantity and...

It can be difficult to get vocab and grammar point cemented in your head but the trick is to cover the word and repeat it to yourself. You must do this regularly and look over your notes every few days as...

Some drugs need to be converted into other molecules so the body can use them effectively. This conversion is done by enzymes, which are protiens. Protiens are made up of amino acids, which are coded f...