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Which of the following caused by earthquake?

(i) Lightning
(ii) Landslide
(iii) Thundering
(iv) Tsunami
(v) Floods

  • A.(ii), (iv) and (v)
  • B.(i), (ii) and (iii)
  • C.(ii) only
  • D.(ii) and (v)

Answer: A

An earthquake can cause landslides, tsunamis (when it occurs under the sea) and floods (for example by breaking dams or blocking rivers), so (ii), (iv) and (v) are correct.

Lightning and thundering are atmospheric electrical effects and are not caused by earthquakes, so the options containing (i) or (iii) are wrong, and (ii) only or (ii) and (v) are incomplete.

A tsunami follows an undersea earthquake, and landslides are triggered by the shaking of slopes, which are the two best-known secondary effects of an earthquake.

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