What was an unintended side-effect of the construction of the Aswan High Dam in Egypt in the 1970s?
A) Egypt and its southern neighbor, Sudan, fought a war over control of the area.
B) The level of the Mediterranean Sea fell several feet, which hurt several port cities.
C) It disrupted international trade in East Africa.
D) The Sahara Desert became even drier, due to its impact on the water table.
E) It led to the spread of a parasitic disease among the population, schistosomiasis.
E
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The first speakers of the language that evolved into English were tribes that lived in present-day
A) France. B) Denmark. C) United States. D) Italy. E) Switzerland.
Discuss the idea that present day climate changes are part of a larger natural atmospheric cycle
What will be an ideal response?
Referring to the much studied temperature record of the past 140 years, significantly more observations were made of which of the following temperature records?
A. ocean bottom waters temperatures B. air temperatures over the oceans C. air temperatures D. freshwater lakes temperatures
What is hypoxia?
a. The increase of carbon dioxide in an area b. The depletion of oxygen in an area c. The decrease in nutrients in an area d. The increase of nitrogen in an area