A fossil-fuel source that may either be an immature petroleum deposit or a petroleum deposit that has lost its lighter hydrocarbons is
A. lignite.
B. peat.
C. oil shale.
D. tar sand.
Answer: D
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Which of the following is the least likely example of kinship?
A) "sisters" in a sorority B) firefighters in the same fire department C) cousins in the same family D) neighbors in the same village E) citizens of the same country
A ________ occurs when the fault plane forms a low angle relative to the horizontal, resulting in the overlying block being shifted over the underlying
A) lateral fault B) thrust fault C) normal fault D) strike-slip fault
Lake-effect snow is primarily a problem ____ of large lakes
a. ?around the entire border b. ?in the center c. ?to the north d. ?to the south e. ?downwind
The atmosphere of Venus greatly changed as compared to Earth over the last 4 billion years.
Answer the following statement true (T) or false (F)