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Geostationary satellites are objects (usually machines) that orbit the Earth at exactly the same velocity as the rotation of the Earth (strictly, the orbital period of the satellite is equal to the rotati...

An Unsaturated compound has a double carbon to carbon bond I.e) C=C where as a saturated compound has a single carbon to carbon bond like this C-C.

For AQA GCSE you need to have an understanding of coronary heart disease, the factors that lead to it and the available treatments. The coronary artery is the vessel that supplies the heart with glucose a...

Firstly, ensure that you spend time reading though both texts before you start to write your answer.Think about the ideas/points you could discuss while reading through the texts. Consider the ideas in th...

'wann' is only used as a question word. e.g. 'wann spielst du Fußball?' = 'when do you play football?''wenn' is used like 'if' and 'whenever' in English. This is the most common usage of the word and is u...