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A derivative is the result of an operation called differentiation. If we differentiate something, a function, the result tells us how much the function changes with respect to a chosen variable. For insta...

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The kinetic theory of gases states that a gas consists of many molecules in constant motion. A rise in temperature increases the mean speed of these molecules, and therefore their momentum (=mv).

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An enzyme is a biological catalyst. It is a protein with an active site that binds to a substrate to accelerate a chemical reaction.

Auf einer Seite sind Handys ein nutzliches Werkzeug, weil sie als Wörterbuch oder Taschenrechner benutzt werden können, um Schülern zu helfen, weiter zu lernen, Es würde auch bedeuten, dass die Schulen so...