What caused a relative rise in sea level along the East Coast of the U.S. approximately 20,000 years ago?
A) Tectonic uplift of the land
B) Melting glaciers
C) Isostatic rebound of the land
D) A change in Earth's orbit
E) None of these choices are correct
B) Melting glaciers
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Is the rate of Earth's rotation increasing or decreasing?
A. It is increasing. B. It is remaining relatively steady. C. It is decreasing. D. It is increasing and decreasing in cyclic fashion.
Economic development in Thailand is concentrated around the city of:
A) Bangkok B) Hanoi C) Saigon D) Yangon
These seismic waves have the highest average velocity.
A. surface waves B. P waves C. S waves
The major rivers in the U.S., including the Colorado and Rio Grande, originate in mountainous regions with significant contributions from snow melt and then cross arid regions before supplying the water needs for several cities in the U.S
and Mexico. Discuss the potential impact of climate change on the water supplies.