CSS :: Internal Structure of Earth
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| 1. |
__________ Waves move material in their path parallel to the direction of movement. |
| A. |
P waves |
B. |
S waves |
| C. |
L waves |
D. |
None of these |
Answer: Option A
Explanation:
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| 2. |
______ is the densest of all layers |
| A. |
The core |
B. |
Mesosphere |
| C. |
Centrospheres |
D. |
Basaltic |
Answer: Option A
Explanation:
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| 3. |
Core has a pressure of ______ times greater than the atmospheric pressure ______ billion. |
Answer: Option C
Explanation:
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| 4. |
_______ has oxides of iron, magnesium and silicon. |
| A. |
P waves |
B. |
Lower mental |
| C. |
L waves |
D. |
None of these |
Answer: Option B
Explanation:
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| 5. |
For every 108 feet descent bellow the surface of earth temperature rises for ________. |
Answer: Option A
Explanation:
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| 6. |
Temperature of ______ ranges from 3000 |
Answer: Option A
Explanation:
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| 7. |
______ waves move objects at right angles to their direction of motion. |
Answer: Option A
Explanation:
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| 8. |
Radius of solid inner core is _____ miles. |
Answer: Option C
Explanation:
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| 9. |
Liquid outer core is ______ thick. |
| A. |
2240 km |
B. |
2250 km |
| C. |
2260 km |
D. |
None of these |
Answer: Option B
Explanation:
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| 10. |
Continental crust accounts only about ______ of the earth's global surface. |
Answer: Option B
Explanation:
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