1. What is the height of a seismic wave called? A. wavelength B. amplitude C. pe

Question

1. What is the height of a seismic wave called? A. wavelength B. amplitude C. period D. frequency 2. The idea that continents are less dense and "float" on a denser mantle is an application of which concept? A. superposition B. paleomagnetism C. isostasy D. original horizontality 3. Increasing the temperature has what effect on the density of a rock? A. increases it B. decreases it C. decreases or increases it, depending on the type of rock D. has no effect 4. Earth's magnetic field reverses itself approximately every years A. 20 B. 2,000 C. 200,000 D. 20on 5. A rock that has elastic character O A. can only experience strain (a change of shape) due to compression (squeezing stresses) B. undergoes no strain as stress is applied to it C. undergoes strain as stress is applied to it but will return to its original shape once the stress has been removed D. can only experience strain due to tension (stretching stresses) O 6. Which is not true of both S and P waves? A. They both represent a burst of oscillation B. They both have the same amplitude C. They are both body waves D. They are both used to locate the source of disturbance

Explanation / Answer

1..what is the height of a seismic wave called

Ans...(B)..Amplitude

2..The idea that continents are less dense and "float" on a denser mantle is an application of which concept

Ans...(C)..Isostasy

3..Increasing the temperature has what effect on the density of a rock.

Ans...(B)..decreases it

4..Earth's magnetic field reverses itself approximately every __________ years.

Ans...(C)..200,000

5..A rock that has elastic character.

Ans...(C)..undergoes strain as stress is applied to it but will return to its original shape once the stress has been removed.

6...Which is not true of both S and P waves.

Ans...(B)..They both have the same amplitude.

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.