Our Planet Earth (chapter 3)

What is the correct keyword for: "The Earth system that contains all living things"

• Biosphere

• Atmosphere

• Hydrosphere

• Geosphere

• Groundwater

Answer explanation

"Bio" mean living so it must be biosphere!

What is the correct keyword for: "A mixture of gases in a layer around the Earth"

• Biosphere

• Atmosphere

• Hydrosphere

• Geosphere

• Groundwater

What is the correct keyword for: "The system containing all the Earth's water"

• Biosphere

• Atmosphere

• Hydrosphere

• Geosphere

• Groundwater

What is the correct keyword for: "The solid part of the Earth"

• Biosphere

• Atmosphere

• Hydrosphere

• Geosphere

• Groundwater

What is the correct keyword for: "Naturally occurring, inorganic solids that have crystal structures and definite chemical compositions"

• Rock

• Mineral

• Geosphere

• Biosphere

• Groundwater

What is the correct keyword for: "Water stored in the cracks and pores beneath the Earth's surface"

• Rock

• Mineral

• Geosphere

• Biosphere

• Groundwater

What is the correct keyword for: "A naturally occurring solid composed of minerals and sometimes other materials such as organic matter"

• Rock

• Mineral

• Geosphere

• Biosphere

• Groundwater

What is the correct keyword for: "Innermost layer of geosphere"

• Crust

• Core

• Mantle

• Nitrogen

• Groundwater

What is the correct keyword for: "outermost layer of geosphere"

• Crust

• Core

• Mantle

• Nitrogen

• Groundwater

What is the correct keyword for: "thick, middle layer of geosphere"

• Crust

• Core

• Mantle

• Nitrogen

• Groundwater