What is the significance of the Tropic of Cancer and the Tropic of Capricorn?
What will be an ideal response?
Because the Earth is tilted 231⁄2º from the perpendicular, on June 21 or 22, the Tropic of Cancer (at 231⁄2º north latitude) is tilted toward the Sun and receives the Sun's rays vertically. This is the first day of summer in the Northern Hemisphere (the first day of winter in the Southern Hemisphere... Similarly, on December 21 or 22, the Tropic of Capricorn (at 231⁄2º south latitude) is tilted toward the Sun and receives the Sun's rays vertically. This is the first day of winter in the Northern Hemisphere (the first day of summer in the Southern Hemisphere).
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Erosion and deposition
A. are usually human-caused processes. B. affect the movement of Earth's tectonic plates. C. occur on land but not in the ocean basin. D. create landforms such as caves, waterfalls, and valleys.
Acid rain concentrated in the eastern portions of the United States is primarily the result of
A) nuclear power plants in the region. B) coal-burning power plants in the Midwest. C) coal-burning power plants in northeastern Canada. D) off-shore oil drilling rigs along the east coast of the United States.
You are vacationing on a beach in Thailand. List and describe four natural warning signs you might think of as evidence for a potential tsunami
What will be an ideal response?
This figure shows the geologic timescale. Which period listed below would be part of the Paleozoic?
A) Neogene
B) Paleogene
C) Jurassic
D) Triassic
E) Cambrian