The mid-ocean ridges and rises are spreading centers where new oceanic crust is created
a. true
b. false
a. true
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Which type of plate boundary generates the greatest quantity of magma?
What will be an ideal response?
The Sun's height in the sky above the horizon is termed its altitude
Indicate whether the statement is true or false
The Appalachian Mountains were formed when the North American continent collided with Africa to form the supercontinent Pangaea over 250 million years ago. What kind of tectonic boundary existed here?
What sort of structural features would you expect to find in this region? What will be an ideal response?
Which of the following best describes the distribution of water on Earth?
A) The Northern Hemisphere is dominated by ocean basins. B) Most of Earth's water is freshwater and is predominantly stored in the many lakes around the world. C) The Atlantic is the largest ocean basin on Earth. D) Most of the Pacifc Ocean and Indian Ocean comprise the so-called "water hemisphere." E) Water is evenly distributed across Earth.