Sub Systems of the EARTH

What is the outermost layer of the Earth called?

• Mantle
• Crust
• Core
• Atmosphere

Which subsector of the Earth includes all the living organisms?

• Lithosphere
• Atmosphere
• Hydrosphere
• Biosphere

What is the primary component of the Earth's atmosphere?

• Oxygen
• Nitrogen
• Carbon Dioxide
• Helium

In which subsector does water exist in the form of oceans, rivers, and lakes?

• Atmosphere
• Lithosphere
• Hydrosphere
• Biosphere

Which layer of the Earth is responsible for the magnetic field?

• Crust
• Mantle
• Core
• Lithosphere

What subsector includes the soil and land on the Earth's surface?

• Hydrosphere
• Lithosphere
• Atmosphere
• Biosphere

The ozone layer is part of which Earth subsector?

• Atmosphere
• Lithosphere
• Hydrosphere
• Biosphere

What is the primary gas in the Earth's atmosphere that plants use during photosynthesis?

• Nitrogen
• Oxygen
• Carbon Dioxide
• Hydrogen

Which subsector involves the study of all water bodies, including oceans and seas?

• Atmosphere
• Biosphere
• Lithosphere
• Hydrosphere

What is the thinnest layer among the Earth's subsectors?

• Hydrosphere
• Atmosphere
• Crust
• Lithosphere