A small piece of chalk made of calcium carbonate can be useful for alleviating acid indigestion because calcium carbonate is
A. able to turn the acid into a gas which can relieve the buildup of excess acid.
B. able to add an extra lining to the stomach to protect it from the excess acid.
C. able to absorb excess acid and carry it out of the system.
D. a base that reacts to neutralize any excess acids.
Answer: D
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Yugoslavia's nationality
A) was socially constructed through a heavy-handed authoritarian leadership. B) evolved naturally within the post-World War I political boundaries. C) accepted the dominance of Serbian culture and ethnicity. D) emerged only as a result of substantial economic growth. E) was a precursor to the effect of globalization on the region.
Schooling behavior makes normally small fish appear like a large organism from a distance
Indicate whether the statement is true or false
Soil structure can be defined as which of the following?
A) blocky B) platy C) crumb or granular D) prismatic E) Crumb or granular, platy, blocky, or prismatic are all type of soil structure.
A gas under constant pressure will ________ when ________.
A. keep the same volume; heated or cooled B. expand; heated C. expand; cooled D. contract; heated