Stromatolites are the product of organic activity
Indicate whether the statement is true or false
True
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Uncontaminated rain water has a pH of 5.6 (slightly acidic) because
A. oxides of sulfur are always present in the atmosphere, even from natural sources. B. upon condensation, water chemically reacts with carbon dioxide forming a weak carbonic acid. C. most water vapor originates by evaporation from the oceans and sea water is acidic. D. droplets of water necessarily condense on atmospheric particulate.
An intellectual movement that encourages scientific thought, the expansion of knowledge, and belief in the inevitability of progress is known as:
a. secularization. b. modernism. c. globalization. d. religious fundamentalism. e. sanctification.
The 2010 earthquake that struck Haiti and killed over 200,000 people occurred along what type of
fault? a. normal fault b. reverse fault c. strike-slip fault (left-lateral) d. strike-slip fault (right-lateral) e. thrust fault
What best describes the natural growth rate in contemporary Europe?
A) fast growth in large nations such as Germany but slow growth in most smaller nations B) extensive population decline in every country C) there is a lack of natural growth as death rates exceed birth rates D) an extremely high rate of growth E) a moderate rate of growth