Paper 1 · People, Development and Environment
Which of the following statements are true in the context of an earthquake? 1. The amount of ground displacement in an earthquake is called the slip. 2. The point where a movement that triggers an earthquake begins is called the focus. 3. The sequence that correctly lists the arrivals from first to last is P waves, S waves, surface waves.
- The amount of ground displacement in an earthquake is called the slip
- The point where the movement triggering an earthquake begins is called the focus
- The order of arrivals is P waves, then S waves, then surface waves
A2 and 3
B1 and 2
C1, 2 and 3 ✓ Correct
D1 and 3
Correct answer: (C) 1, 2 and 3 — All three statements are true, so that is the answer.
Explanation
★All three statements are true, so that is the answer.
★The ground displacement in an earthquake is called the slip.
★The point where the triggering movement begins is the focus.
★The waves arrive as P waves first, then S waves, then surface waves.
★So each of the three statements is true.
★So the answer is 1, 2 and 3.
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