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Engineering, 19.11.2019 03:31 khuak877
Aresearcher has observed that children who eat more sugar tend to show a higher level of activity than children who eat less sugar. however, the researcher suspects that the apparent relationship may be explained by the fact that some children have a higher rate of metabolism which causes them to eat more and to be more active compared to children with a lower rate of metabolism who eat less and are less active. this is an example of
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