How do geologists reconstruct geologic history with rocks?
What will be an ideal response?
Answer: Both relative and absolute dating methods, which reveal the order and the age of events, allow us to determine the geologic history of an area. Combined with knowledge of rock-forming processes and the origins of other geologic features, relative and absolute dating methods permit narrative descriptions of geologic history.
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Volatile organic compounds (VOCs)
A. contribute to the development of photochemical smog. B. are released from many household chemicals. C. are less common in vehicle exhaust because of catalytic converters. D. All of the statements are correct. E. None of the statements are correct.
Which of the following best describes human population growth from early times to the present day?
A) early rapid growth which has leveled off to a nearly constant rate in the last 20 years B) rapid, explosive growth throughout the period C) early rapid growth which has increased rapidly in the last 20 years D) slow, uneven growth until the 1800s, then rapid growth E) slow, steady growth throughout the period
The nebular hypothesis proposes that our solar system was born about 1 billion years ago.
Answer the following statement true (T) or false (F)
How does the U.S. Geological Survey decide to issue an earthquake warning?
What will be an ideal response?