Which of the following is a correct IUPAC name?
A) 2-ethylpropane
B) 2-ethylbutane
C) 2-ethylpentane
D) None, they are all incorrect.
D
Environmental & Atmospheric Sciences
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The age of the oldest amphibian fossils is
a. Early Devonian. d. Early Silurian. b. Late Silurian. e. Cambrian. c. Late Devonian.
Environmental & Atmospheric Sciences
What makes up a chemical sediment? What will be an ideal response?
Environmental & Atmospheric Sciences
What forms the nervous system of the international financial community by allowing banks to move capital around at a moment's notice?
A) The World Bank B) The International Monetary Fund C) The Internal Revenue Service D) electronic funds transfer systems E) Western Union
Environmental & Atmospheric Sciences
The main advantage a city has to attract new people (pull factors) is
a. more jobs. b. better houses. c. less pollution. d. more churches. e. less crime.
Environmental & Atmospheric Sciences