Where are the youngest rocks found on the seafloor?
A. Along coastlines
B. Trenches
C. Mid-ocean ridges
Answer: C
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A sound occasionally mistaken for thunder is the ____________________
Fill in the blank with correct word.
How do social conditions in the Central Asian countries that were formerly part of the Soviet Union compare with social conditions in the other countries in the region?
A) Levels of health and education are relatively low in Central Asian republics that were formerly part of the USSR, and are continuing to decline since the demise of the Soviet Union. B) Levels of health and education are relatively high in Central Asian republics that were formerly part of the USSR, and continue to rise since the demise of the Soviet Union. C) Levels of health and education are relatively low in Central Asian republics that were formerly part of the USSR, but are rising since the demise of the Soviet Union. D) Levels of health and education are relatively high in Central Asian republics that were formerly part of the USSR, but are declining since the demise of the Soviet Union. E) Levels of health and education in Central Asia are in the middle range, and the demise of the Soviet Union is causing a decline in these levels.
The ____________________ is the region of Uruguay and Argentina where large-scale prairies are found
Fill in the blank(s) with correct word
From a scientific point of view, which of the following is true?
A. Evolution leads to survival of the strongest. B. Evolution leads to survival of the most valuable. C. Organisms develop traits because they need them. D. Fitness is a matter of reproductive success. E. Evolution follows a plan of nature.