How do hot springs and warm springs form?
What will be an ideal response?
Ground water that flows through hot rocks heats quickly, and since water has a high heat capacity, it retains much of the heat energy as it moves toward the surface to discharge as a hot spring. The heat source can be an adjacent shallow magma chamber (e.g., Yellowstone) or deeply circulating ground water that flows upwards along a contact between sedimentary rock and less permeable crystalline rock (Warm Springs, GA).
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Winds blowing from west to east are called
A) zonal winds B) meridional winds C) turbulent winds D) rotors
Instructions: Choose one answer from each pair of selections. Dew is more likely to form on nights that are CLEAR AND CALM | CLOUDY AND WINDY
Although Britain was not the first European country to establish settlements in North America, British settlers were highly successful. What was one of the differences in British settlement patterns that may have contributed to this success?
A) The British government encouraged entire families to settle in North America. B) The British government encouraged individuals (mostly men) to come to North America to make their fortunes and marry women from other nations. C) The British government set up a feudal system of government in which favored individuals were granted large land holdings and peasant settlers came to work for them. D) Most British "settlers" were members of losing factions in various internal wars in the British Empire and were shipped over in larger numbers than from competing nations.
Which of the following molecules is used by macrophages to kill pathogens?
A) NO B) NO2 C) N2O D) none of these