In Hawaii, the extinction rate of bird species is one species every 10-12 years. By comparison, bird species worldwide are being lost at a rate of approximately ________ per year

A) 1 B) 1000 C) 10 D) 0.1 E) 100


A

Environmental & Atmospheric Sciences

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Which type of ground water would have the least amount of dissolved minerals?

A) hot water B) water from deep in the Earth C) water that had flowed quickly through the aquifer D) water that had been underground for a long period of time

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Which of the following was not one of the five most numerous ethnicities in Yugoslavia?

A) Croats B) Montenegrins C) Serbs D) Slovenes E) Georgians

Environmental & Atmospheric Sciences

Geographers might characterize a country as overpopulated when

A) there are too many people according to a standard economic measure of poverty. B) the population numbers less than one million, but there is concern that the country's natural resources are adequate for only half that number. C) the population numbers more than 100 million and while there is concern about the finite limits of natural resources, they have been adequate historically. D) the population numbers more than one million, and there is an average distribution of population to resources. E) the population numbers more than 100 million and migration contributes 1 million annually.

Environmental & Atmospheric Sciences

The type of chemical bond in which sodium and chloride combine to form halite is called:

a. ionic b. covalent c. metallic d. hydrogen

Environmental & Atmospheric Sciences