Calcium carbonate readily dissolves in water that ____
A)is heated to 100o C
B)contains a small amount of carbonic acid
C)has pH > 8
D)is turbid
E)contains dissolved sodium chloride
B
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At what point does the Wadati-Benioff zone have to end?
A) when it runs into the deep-sea trench B) when it runs up against another plate C) when it reaches a zone that is too hot D) when it reaches Earth's surface
Which of the following minerals is a silicate (a mineral containing a silicon-bearing ion)?
A) hematite B) feldspar C) calcite D) halite
Given Daoism's classification as either a universalizing or an ethnic religion, which of the following would you be more likely to categorize as pertaining to Daoism?
A) Most shrines are located in major cities and towns around the world. B) Most of the religious texts concern the stories and letters of missionaries who traveled to different countries. C) Most shrines are located at major physical features or sites of longstanding cultural significance. D) Most of the religious texts are directly related to warfare. E) People of numerous ethnic groups attend the great majority of religious services.
How many U.S. adults are either overweight or obese?
A. 10% B. 23% C. 42% D. 55% E. 72%