"This rock is 15 million years old" is an example of ________
A) a numerical date
B) a relative date
C) superposition
D) the principle of cross-cutting relationships
Answer: A
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Which of the following gives the main difference between a hurricane and a tropical storm?
A. Hurricanes are larger. B. Hurricanes have a clearly defined eye on satellite photographs. C. Wind speeds are greater in a hurricane. D. Tropical storms are more than 500 km from the Canadian coastline.
________ is the only site being considered in the United States for high-level nuclear waste storage
Fill in the blank(s) with correct word
How is global climate change expected to impact thunderstorm activity in the United States over the next century?
A) The environment necessary for severe thunderstorms will occur on more days for most locations east of the Rockies. B) Climate change will have no definable impact on thunderstorm days. C) More thunderstorms will occur in every state of the nation. D) Thunderstorm days are expected to decrease in the Southeastern United States.
Crude oil is derived from________.
A. Vast forests B. All plant matter C. Phytoplankton and algae D. Lava