The visible surface of Uranus and Neptune are bluish-green because they consist of
A. blue glacial ice.
B. methane and other gases.
C. oceans of liquid water.
D. materials that are very cold because they are very far from the Sun.
Answer: B
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Rehabilitation of wild endangered species is best done in zoos, aquariums and botanical gardens.
Answer the following statement true (T) or false (F)
In a particular titration experiment a 25.0 mL sample of an unknown monoprotic acid required 30.0 mL of 0.200 M NaOH for the end point to be reached. What is the concentration of the acid?
A) 0.120 M B) 0.167 M C) 0.240 M D) 0.333 M
In the effective stress equation, the total vertical stress acting on a horizontal plane at some depth is equal to:
a. the effective stress plus the fluid pressure b. the effective stress minus the fluid pressure c. the effective stress times the fluid pressure d. the effective stress plus cohesion
Santa Ana winds
A) are not associated with pressure gradients in the way other winds are. B) create wildfire conditions by bringing heat and dryness as they flow southwest. C) flows from lower to higher elevation, expanding and cooling in the process. D) bring cool, moisture-laden air from the east to the southern California coast.