While hiking with two of your classmates, you observe an outcrop of sandstone rich in quartz and feldspar. Friend A says that the sand grains in the rock were eroded from a nearby basaltic volcano
Friend B says that the sandstone was derived from a more distant granite outcrop. Which one of your friends is right and why?
What will be an ideal response?
Friend B is right. Granite is rich in quartz and feldspars. The basalt volcano produces basalt, with no quartz.
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Which of the following was a result of the Spanish-American War of 1898?
A) the American acquisition of the Lesser Antilles B) the American military defeat at Guantanamo Bay and surrender of all its Caribbean possessions to the Spanish C) the return of Cuba to Spanish rule D) The United States and Spain split Hispaniola, with Spain acquiring the Dominican Republic and the United States acquiring Haiti E) Cuban independence from Spain and the transfer of Puerto Rico to American sovereignty
How many moles of oxygen are consumed during the complete combustion of one mole of ethanol?
A) 1 B) 2 C) 3 D) 4
What line or region best corresponds with the location of "D" climates?
A. equator, high elevations B. coastal locations, southern hemisphere C. continental interiors, northern hemisphere D. high latitudes, southern hemisphere
Organisms which feed only on bacteria are called ________
A) autotrophic B) bacteriovores C) carnivores D) herbivores E) omnivores