A theory: • • Occurs with unvarying uniformity under ideal conditions. • • Expla
ID: 109596 • Letter: A
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A theory: •
• Occurs with unvarying uniformity under ideal conditions. •
• Explains why events occur in nature. •
• Does not have to have the agreement of the scientific community. •
• Asks a question that needs to be answered. •
• Is the result of one single well-proven and well accepted-hypothesis.
2 . What energy source is Earth using primarily for its internal processes? •
• Primordial heat from Earth’s formation •
• The core •
• Radioactive decay •
• The sun
3. Solar energy is the primary energy source for earthquakes.
• True
• False
4. The water cycle on our planet is driven primarily by Earth’s:
• Internal processes
• External processes
5. The layer that encompasses an entire tectonic plate is called: •
• Asthenosphere •
• Crust •
• Mesosphere •
• Lithosphere •
• Outer Core
6. The outer layer of the Earth defined by its composition is called: •
• Crust •
• Mesosphere •
• Asthenosphere •
• Lithosphere •
• Outer core
7. The core of the Earth is composed primarily of:
• Hydrogen •
• Oxygen •
• Silicon •
• Iron/Nickel •
• Uranium
8. The lithosphere and the crust are identical layers. There is no difference between them at all.
• True
• False
9. What type of plate boundary is located here in the San Francisco Bay Area? •
• Divergent boundary •
• Subduction zone •
• Transform boundary •
• Convergent boundary
10. A mid-ocean ridge is created at: •
• Divergent boundaries •
• Subduction zones •
• Transform boundaries •
• Continent-continent convergent boundaries
11. What type of plate boundary are shallow focus earthquakes associated with? •
• Convergent •
• Divergent •
• Transform •
• All boundary types
12. The Mariana Trench is located at what type of plate boundary? •
• Convergent •
• Divergent •
• Transform •
• All boundary types
13. The east coast of the United States is known as an:
• • Active margin •
• Passive margin •
• Earthquake margin •
• Tectonic margin
14. Ocean trenches: •
• Are caused by divergence at divergent margins. •
• Parallel continents and island arc volcanoes. •
• Are created at transform boundaries during earthquakes. •
• Are typically only ~10 meters deep.
15. The portion of the continental margin that marks the true edge of the continent is: •
• Continental shelf •
• Continental slope •
• Continental rise •
• Abyssal plain
16. Submarine canyons are believed to be shaped primarily by: •
• Transform faults •
• Rifting •
• Turbidity currents •
• Converging ocean plates
these are multiple choices.Please answer all the questions.
Explanation / Answer
2)Radioactive decay
It is defined as any spontaneous event which changes the state of the nucleus, emitting energy from the nucleus in this process. with the exception of gamma decay, which does not concern us here, this involves in changing the protons or neutrons or both and so also changing the atomic number, the atomic weight or both
3)False
Sudden elastic rebound of bent rock that has reached the breaking point is what causes nearly all earthquakes
4)External process
Hydrological process primarily is driven by solar energy which is the external energy
5)Lithosphere
6)crust
The outer thin layer of the earth which is chemically distinct from underlying mantle
7)iron/nickel
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