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What is an earthquake?

• A natural disaster caused by the shaking of the ground.

• A phenomenon caused by human activities.

• A type of weather event.

• A geological formation.

What are the two main causes of earthquakes?

• Human activities and natural processes.

• Weather changes and geological formations.

• Volcanic eruptions and tsunamis.

• Tectonic plate movements and human activities.

What is the theory that explains the occurrence of earthquakes?

• The theory of plate tectonics.

• The theory of weather patterns.

• The theory of volcanic activity.

• The theory of human impact.

Fill in the blank: Earthquakes occur due to the (a)   of tectonic plates.

What are the two theories of earthquake generation accepted today?

• Theory of expansion of the Earth's crust

• Theory of recovery of objects

What are the precursory phenomena that may indicate an impending earthquake?

• Unusual uplift of the ground

• Change in the intensity of the Earth's magnetic field

• Change in the electrical conductivity of rocks

• Occurrence of small earthquakes

What abnormal behavior of animals is associated with natural disasters?

• Abnormal soil uplift

• Changes in Earth's magnetic field intensity

• Changes in the electrical conductivity of rocks

• Minor earthquakes as a warning

• Higher than normal radon gas levels

What special ability do animals have regarding earthquakes?

How do pigeons react before an earthquake?

• They fly away

• They become aggressive

• They gather in groups

• They stay calm

What unusual behavior was observed in fish before the major earthquake in Kobe in 1995?

• They were caught in larger numbers than usual.

• They swam deeper into the ocean.

• They stopped eating.

• They changed color.