Polymerization is the method of creating a synthetic polymer by combining many small monomer molecules into chain held together by covalent bonds. There are two major forms of polymerization, step growth polymerization, and chain growth polymerization. 1  The main difference between the two types of polymerization is that in chain growth polymerization, monomer molecules are added to the chain one at a time.
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The House of Commons is the lower house of the Parliament of the United Kingdom of Great Britain and Northern Ireland which, like the House of Lords (the upper house), meets in the Palace of Westminster. The House is an elected body consisting of 650 members known as Members of Parliament (MPs).