Researchers have been unable to pinpoint one cause of attention-deficit/hyperactivity disorder in children. There are several factors that can contribute to the existence of the disorder. Not only might each of these factors have a direct impact on the disorder, but they may interact with and affect one another in countless different ways. This is a good example of the of people that

answer:

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Explanation:

wetland functions are defined as a process or series of processes that take place within a wetland. these include the storage of water, transformation of nutrients, growth of living matter, and diversity of wetland plants, and they have value for the wetland itself, for surrounding ecosystems, and for people.

explanation:

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the answer is

a) revise existing treaties

b) do away with political alliances

c) prevent the spread of communism

d) bring an end to european colonization

the main goal of the southeast asia treaty organization was to prevent the spread of communism in southeast asia.