Rust is caused when there is a redox reaction of iron and oxygen in the existence of water or air moisture. For the metal to be weakened by rust, the oxygen atoms needs to be mixed with metallic atoms to form the oxygen compound.
Answer:
Interest rate differentials inflation and income differentials
Explanation:
I think in the USA
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Answer:
Agglomeration economies.
Explanation:
Agglomeration economies, also known as external economies of scale, consist of the advantages of focusing output and residence in some specific areas. If some particular area produces certain kinds of goods, all firms can take advantage of many factors like networks for the supply of goods, workers, transport, and a proper infrastructure for the industry.
<span>In 1973, the U.S. withdrew all its troops from South Vietnam; in 1975 the forces of North Vietnam captured the capital of Saigon.</span>
