Answer: A river gives the inhabitants a reliable source of water for drinking and agriculture. Additional benefits include fishing, fertile soil due to annual flooding, and ease of transportation. The first great civilizations, such as those in Mesopotamia and Egypt, all grew up in river valleys.
Explanation:
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The following is the classification of each pair of variables into two categories, namely explanatory and response, based on the relation between the variables:
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(a) Whether or not a person likes to sing and whether or not a person likes to dance - Explanatory: There is no direct relation between the choices made by the person but it can be explained why he likes or does not like either of two or both.
(b) The number of pages in a textbook and the cost of a new copy of the textbook - Response: The cost of the book is dependent on the pages in it as each page bears some cost.
(c) The number of alcoholic drinks consumed and the blood alcohol content - Response: The blood alcohol content would keep increasing as long as alcohol is consumed.
(d) In a study of adolescents, the dose of vitamin D given each day for a year (50, 100, or 200 international units) and the change in total bone mineral content from the beginning of the study to the end of the study - Response: The amount of vitamin D would reflect as more in the adolescents that were administered higher dosages of vitamin D.
<span>Most of the sick and elderly people usually suffer from the greatest suppression of the immune system. They are prone on this because usually old person do not have enough sleep then it cause to down their immune system. Same as with sick person, they do not have the enough nutrients at vitamins.They become more stressful because of thinking too much about their health conditions thus they will also suffer from this.</span>
its definitely the choice D.
Either elected by the general public or appointed by state and local representatives.
The colonists of America had very few opportunities to influence the government of England as they did not have any representation in the British Parliament (which was one of the factors that motivated the Revolutionary War). Because of this, they usually influenced the government through economic measures (ex. by disturbing trade) or through illegal means (ex. rebellions). On the other hand, there are several ways in which people today can influence governments. For example, by writing letters to their representatives, voting in local and federal elections, running for office and lobbying for a cause.