The citric acid cycle involves how many distinct steps?
A) 4
B) 6
C) 8
D) 10
C
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The water cycle includes water in the
A) atmosphere, biosphere, ground, surface, and ocean. B) hydrosphere. C) oceans and atmosphere only. D) both A and B
The main processes that happens during the alpha type of radioactivity decay is:
a. an electron is given off b. an electron is absorbed and turned into a neuron c. an atom splits into two pieces d. an alpha particle combines with small atom to make a larger one
Why are urban areas susceptible to flash floods?
A) Oil, gasoline, and other auto fluids repel more water into the stream system B) City sewers promote flooding of city streets and parking areas C) A high percentage of the surface area is covered with cement, asphalt, and other impervious materials D) Construction materials promote rapid absorption of precipitation, which puts excess water into the stream system
Mars is named for the Roman god of war, presumably because of its distinct ________ color when seen in the sky.
A. blue B. yellow C. violet D. red E. green