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The atomic number.
Chlorine, bromine and iodine.
Peristalsis describes the movement of food throughout the digestive system. Muscles in within the gut wall contract therefore pushing the bolous of food through the digestive system.
There are two obvious approaches here:1. Solve the equation x2 - 2x + 2 = 0 to find A and B and then calculate the required values. 2. Or we can use the quicker method of ana...
The movement of a substance from an area of high concentration to an area of lower concentration. One of the ways a substance can move in and out of a cell across the cell membrane.
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