Corteza

Earth's crust, a layer with a distinct chemical composition, formed from cooling liquid rocks early in the planet's history. It has a maximum thickness of 70 km and is primarily composed of granite in the continental crust and basalt in the oceanic crust.

What distinguishes the Earth's crust from the mantle beneath it?

• Its temperature

• Its chemical composition

• Its color

• Its density

How did the Earth's crust form?

• Through volcanic eruptions

• From cooling liquid rocks

• By the impact of meteorites

• By the accumulation of sediments

What is the maximum thickness of the Earth's crust?

• 70 km

• 60 km

• 50 km

• 80 km

What type of rock is primarily found in the continental crust?

• Sandstone

• Limestone

• Granite

• Basalt

Which type of rock is mainly found in the oceanic crust?

• Granite

• Marble

• Basalt

• Shale