Which two factors are critical to the existence of the carbon dioxide (CO2) cycle on Earth?
A) plate tectonics and liquid water oceans
B) life and atmospheric oxygen
C) life and active volcanism
D) active volcanism and active tectonics
A) plate tectonics and liquid water oceans
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Metric System: A volume of 100 mL is equivalent to which one of the following volumes?
A. 1 kL B. 10-6 ?L C. 0.1 L D. 0.01 ML
How many large moons does Saturn have?
A) 4 B) 3 C) 2 D) 1 E) 0
The positive terminal of a battery in a minivan has an electric potential that is a maximum of 12 V higher than the negative terminal. Complete the following sentence: When wires are connected to the battery from the various electrical circuits within the minivan, the potential difference between the two terminals is
a) equal to 12 V. b) less than 12 V. c) greater than 12 V. d) equal to zero V.
How does degeneracy pressure differ from thermal pressure?
A) Degeneracy pressure continues to be felt even if an object becomes cold, but thermal pressure is drastically reduced as an object gets cold. B) Degeneracy pressure cannot support an object against the crush of gravity, but thermal pressure can. C) Degeneracy pressure can arise in a plasma, but thermal pressure cannot. D) Degeneracy pressure affects stars, but thermal pressure does not.