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German spelling can be tricky to get to grips with when you first start learning, but there's a simple trick to remembering whether the word you're writing is 'ei' (e.g. 'bleiben') or 'ie' (e.g. 'spie...
The rule for this is simple, although can be somewhat confusing when you first start learning German! The rule is: if there's movement from one place to another, use 'sein'. If there's not, use...
Firstly, antibiotic resistance has to be gained by a bacterium through the mutation of a gene. This can occur due to, for example, the overuse of antibiotics or failure to complete a full course of ant...
Osmosis is the movement of water molecules from an area of high water concentration to an area of low water concentration through a partially/selectively perme...
The most important thing to remember about chemistry equations, whether these are word or symbol equations, is that you must always have the same amount of each species (element or molecule) on both si...
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