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An ostinato is a repeated pattern of notes. It can be either rhythmic, melodic, or both. You can also augment/ diminish an ostinato which is especially common in minimalist music.

CO2 present in the air can dissolve in rain water producing carbonic acid. This acid is weak but can give rain water a slightly acidic pH of around 5.6 When this rain water falls it reacts with the claim car...

A protein molecule is a polymer which means it is built when lots of smaller molecules join together in a chain, like building blocks. These smaller molecules are called amino acids. There are are 20 differe...

The trick here is similar to remembering all complicated formulas in science: Assign some meaning to all letters that make some sense, and is easier to remember. Our formula here is pV=nRT, where p-pressure,...

To determine which is better value, we need to determine the price per gram of each washing powder. Bag 1: For the 600g bag, this is done by dividing the price by the number of grams: 3.30/600 = £0.0055/g or...