How are the physical landscapes of the Canadian Shield different from the Appalachian Uplands in Quebec, and what geomorphic processes helped shape these two landform regions?
What will be an ideal response?
The Canadian Shield is made of some of the oldest volcanic rock, the base of ancient volcanoes eroded by continental glaciers over millions of years. The Appalachian Uplands have also been eroded by glaciation, but were formed by subduction, folding, and volcanic action at an ancient plate boundary.
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What are the current patterns and problems regarding migration to and within Europe today?
What will be an ideal response?
The power dissipated in a 4 ohm resistor carrying 3 A is
A) 7 W. B) 18 W. C) 36 W. D) 48 W. E) not enough information given
Which of the following is FALSE regarding nuclear power?
A) Some countries have begun phasing out nuclear power plants. B) Nuclear power plants are expensive to build. C) Nuclear fusion creates large amounts of nuclear waste. D) Accidents have occurred at a few nuclear power plants around the world. E) Nuclear waste can contaminate the areas where it is disposed.
Oceanic crust is composed primarily of ________
A) sandstone B) andesite C) granite D) basalt