V1t 1.1 + 1.2

PLates move at an average speed of

• 1 cm / yr

• 10cm/yr

• 1 m/yr

• 10 m/yr

Why did Pangaea fell apart in smaller pieces of continent?

The Alps are formed because the Italian plate and the European plate ........

The magnitude of an earthquake is measured by the scale of

• Celsius

• Kelvin

• Richter

• Mercalli

Why are the consequences of an earthquake different between countries?