Natural Disasters 11th Edition Patrick Leon Abbott -Test Bank
Natural Disasters, 11e (Abbott)
Chapter 2 Internal Energy and Plate Tectonics
1) Earth is about ________ years old.
A) 30,000 thousand
B) 50 million
C) 3,500 million
D) 13.5 billion
E) 4.5 billion
Answer: E
Section: Internal Sources of Energy
Topic: Internal Sources of Energy
Bloom’s: 1. Remember
Accessibility: Keyboard Navigation
Chapter: 02
2) The heat that transformed Earth early in its history came primarily from all but which of the following?
A) impact energy
B) gravitational energy
C) dark energy
D) the decay of radioactive elements
Answer: C
Section: Internal Sources of Energy
Topic: Internal Sources of Energy
Bloom’s: 1. Remember
Accessibility: Keyboard Navigation
Chapter: 02
3) The early differentiation of Earth into a mantle and a core was created by ________.
A) gravitational accretion of iron-rich particles in the core, followed by silicate-rich particles in the mantle
B) nuclear fission in the center of Earth, which converted hydrogen and helium to iron
C) the buildup of heat and the melting of iron, which was pulled by gravity to the center of Earth
D) the magnetic attraction between cations and anions of iron and nickel
Answer: C
Section: Earth History
Topic: Earth History
Bloom’s: 1. Remember
Accessibility: Keyboard Navigation
