Answer:
formal region is an area inhabited by people who have one or more characteristics in common. ... Examples of formal regions are Europe, Africa, United States, and Canada. Functional Region. A functional region is an area organized to function politically, socially, and economically as a single unit.
<span>Ethiopia and Eritrea
</span>Eritrea became part of a federation with Ethiopia, the Federation of Ethiopia and Eritrea<span>. Subsequent </span>annexation<span> into Ethiopia led to the </span>Eritrean War of Independence, ending with Eritrean independence following a referendum<span> in April 1993. </span><span>
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It is estimated that 100 million animals die every year due to water pollution.
In addition, ocean pollution affects 1,000 species of marine animals. However, these are rough estimates because it is almost impossible to calculate the exact number of animals killed by water pollution. Polluted water can pose a serious threat to both animals and humans. Animals and plants living in this water often die from this pollution.
Even if a particular animal did not die from pollution, it would likely die from changes in the food chain. Animals and people who drink water from this source can contract bacteria and diseases that are often carried in this water.
Learn about water pollution:
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It supports current flowing because when the water in the ocean heats up the current goes in a circle