Give an example from the United States of a centrifugal force and a centripetal force
What will be an ideal response?
Answer: centrifugal: political party differences, stance on issues such as abortion, different regional economies, presence of ethnic minorities
centripetal: language, singing the National Anthem, celebrating July 4
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Calculate the average annual increase as a percentage of total CO2 and in ppm of CO2 for 1970 to 1980 and for 2006 to 2016.
What will be an ideal response?
Which of the following is NOT a typical environment in which a metamorphic rock forms?
A. solidification of lava B. squeezing by tectonic forces C. heating adjacent to underground magma D. burial to great depths
?Recycling a high-quality plastic item into a mixed-material park bench that will have to go in a landfill at the end of its life is an example of upcycling.
Answer the following statement true (T) or false (F)
Which of the following statements is true of temperature inversions?
A. Temperature inversions occur when a layer of cold air prevents warm air from rising. B. Temperature inversions exacerbate pollution problems. C. Temperature inversions are temporary. D. Temperature inversions cause cool air near the earth's surface to expand and rise, carrying pollutants higher into the troposphere. E. Temperaturel inversions help prevent air pollution.