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'ß'- examples: Spaß; groß- the vowel before the ß, is pronounced longer  'ss'- examples: essen, Kasse, Russland, vergessen, besser- The vo...

1. Light energy from the Sun excites electrons in chlorophyll and the excited electrons are emitted.2. The chlorophyll molecule is now positively charged and chemically less stable. The lost electrons ...

Mark-release-recapture is a technique used to estimate the size of a population of a particular species. The steps involved are:1. Capture and count animals.2. Mark them in a way which is not toxic/harmfu...

Firstly, you can only complete the square on quadratic functions (functions in the form Ax²+Bx+C)

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