Immigrants comprise about ___________ percent of the U.S. population
Fill in the blank(s) with correct word
11
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________ will occur when continental collisions occur, thickening the crust and forcing some rocks to a depth where melting can take place
A) Decompression melting B) Rifting C) Extension D) Partial melting
The Tropic of Cancer and the Arctic Circle are examples of locations determined by:
A) the Köppen classification system. B) climate. C) measuring systems. D) astronomy.
The difference between active and passive remote sensing systems is that
A. active systems emit their own energy while passive systems simply detect existing energy signals. B. active systems can operate throughout cloud or fog cover while passive systems require clear sky conditions. C. active systems involve the latest generation of satellites while passive systems use signals from older satellites. D. active systems include aerial photography while passive systems rely on satellite imagery.
After lava cools below the Curie point, which is about ________, atoms in iron-bearing minerals become magnetized in the direction of Earth's magnetic field at that time and place.
A. 1,150°C B. 50°C C. 850°C D. 550°C E. 250°C