Review Questions Colab - 3rd Partial

Which are the Earth Layers?

• Crust, mantle, outer core, and inner core

• Crust, mantle, troposphere, mesosphere, and exosphere

• Crust, solid, midnight, lower mantle

Which one is not a type of rock?

• Metamorphic rock

• Burial rock

• Igneous rock

What does Earth have between the internal and external core?

• Gutenberg discontinuity

• Repetti discontinuity

• Weichert-Lehman discontinuity

How many tectonic plates are there?

• 16

• 12

• 20

Which are the types of soil?

• Sand, silt, and clay

• Sand, silt, and soil

• Soil, mud, and clay

In which layer do volcanic eruptions and earthquakes occur?

• Lithosphere

• Asthenosphere

• Gutenberg discontinuity

What is the definition of humus?

• Broken down organic matter

• Broken down gaseous molecules

• Another word for sand

What is the lithosphere composed of?

• Crust + upper mantle

• Mantle + outer core

• The cores

Rocks at high temperatures, pressured by Earth's surface transform into _____

• Igneous rocks

• Sedimentary rocks

• Metamorphic rocks

What is the mantle mainly composed of?

• Helium + Sulfur

• Nitrogen + Iron

• Iron silicates