Which of the following rivers flows inside the Grand Canyon?
A) Nile River
B) Colorado River
C) Mississippi River
D) Amazon River
Answer: B
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Which color of light comes from the higher energy transition, red or blue?
A. Blue is a higher frequency and therefore corresponds to a lower energy level transition. B. Red is a higher frequency and therefore corresponds to a lower energy level transition. C. Blue is a higher frequency and therefore corresponds to a higher energy level transition. D. Red is a higher frequency and therefore corresponds to a higher energy level transition.
Photosynthesis requires both carbon dioxide and water, but could not occur without the input of____________ ______________
Fill in the blanks with correct word
What kind(s) of lava generate a cinder cone?
A) Andesite B) Andesite and rhyolite C) Basalt D) Basalt and andesite E) Andesite, basalt, and rhyolite
The high annual receipt of solar radiation at Earth's surface in the subtropical desert regions is due to:
a. the high reflectivity of sand and desert soils. b. low carbon dioxide concentration in arid areas. c. the short path of the solar beam through the atmosphere at these latitudes. d. low cloud and humidity amounts.