When the Endangered Species Act was established in 1973, the list included 92 U.S. species. In 2015, that number had risen to ____.

A. 356
B. 507
C. 770
D. 1,000
E. 1,591


Answer: E

Environmental & Atmospheric Sciences

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The term demographic transition refers to ________

A) the slowing down in the growth of a population as it approaches the carrying capacity B) the decline in death rates followed by a decline in birth rates that occurred because sanitation levels in areas improved C) the decline in death rates followed by decline in birth rates when a country develops a strong economy D) the slowing down in the growth of a population as it approaches its biocapacity E) a requirement for a population to reach a specific size before it becomes stable

Environmental & Atmospheric Sciences

A(n) ________ fault has little or no vertical movements of the two blocks

A) stick slip B) dip slip C) oblique slip D) strike slip

Environmental & Atmospheric Sciences

In the European Union, the countries of Greece, Ireland, Portugal, and Spain are collectively known as

a. PIGS. b. GIPS. c. IPSG. d. PSIG. e. GSIP.

Environmental & Atmospheric Sciences

__________ is the prime factor in the reduction of habitat critical to the survival of Brazil's native species.

Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences