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Nouns in French are sometimes a bit trickier in French than in English because they are all either masculine or feminine. There are different clues as to a noun's gender: 1) look to see if there is an adj...

We first split ABC into two right-angled triangles. We name the midpoint of AC, M. AM=1cm, and BM=sqrt(5²-3²)=4 by Pythagoras. The area of ABC =1/2ACBM=1/264=12. We...

(a) In low light intensities a green plant will be taking in oxygen and giving out carbon dioxide. (b) In bright sunlight a green plant will be taking in carbon dioxide and giving out oxygen.

Enzymes are proteins that are catalysts of chemical reactions. Chemistry shows us that catalysts are non-consumable substances that reduce the activation energy necessary for a chemical reaction to occur....

This is a branch of Philosophy that deals with experience and where our ideas of things come from' Empiricism' is Greek for experience. It's probably best discussed by the 17th and 18th century thinkers J...