Which principle is used to determine the age of rocks by ordering them from oldest on the bottom to the youngest on the top?
A. inclusions
B. superposition
C. unconformities
D. cross-cutting
Answer: B
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Which of the following best describes a sustainable use of nonrenewable minerals?
a. recycle and reuse 60-80% of mineral resources b. stop focusing on population growth as a factor c. stop all mining of nonrenewable mineral resources d. reduce mining subsidies e. reduce mining subsidies and recycle and reuse 60-80% of mineral resources
Taken as a whole, the large scale or general circulation patterns of the atmosphere exist:
A) because of the earth's rotation. B) as a result of the different landforms on Earth's surface. C) as nature's method of balancing heat energy differences. D) as a cause of temperature contrasts. E) as a result of Earth's motion through space.
Which of the following symptoms most closely matches the known physiological effects of carbon monoxide?
A) Feeling tired B) Inflammation of the eyes, nasal passages, and skin C) Skin cancer D) Lung irritation and bronchitis
Which war had the highest casualities in U.S. military personnel?
A) Revolutionary War B) Civil War C) World War II D) Vietnam War E) War on Terror