Earth Science

The Earth's innermost layer, consisting of solid rock and metal, is known as:

• Troposphere

• Stratosphere

• Lithosphere

• Mesosphere

Which subsystem includes all of Earth's water in the form of oceans, rivers, lakes, and groundwater?

• Biosphere

• Atmosphere

• Hydrosphere

• Geosphere

What is the layer of gases surrounding Earth that is crucial for sustaining life on our planet?

• Lithosphere

• Hydrosphere

• Biosphere

• Atmosphere

The portion of Earth's subsystem that includes all living organisms, from microorganisms to plants and animals, is called the:

• Biosphere

• Lithosphere

• Geosphere

• Mesosphere

Which subsystem is responsible for Earth's tectonic plates, earthquakes, and volcanic activity?

• Biosphere

• Atmosphere

• Geosphere

• Hydrosphere

The layer of Earth's subsystem that encompasses the Earth's crust and upper mantle is known as the:

• Stratosphere

• Biosphere

• Lithosphere

• Mesosphere

The study of interactions between the Earth's subsystems and the impact of human activities on the environment is known as:

• Environmental science

• Geology

• Meteorology

• Astronomy

What is the name of the atmosphere layer of upwardly diminishing temperature situated above the stratosphere and topped by the mesopause?

• Troposphere

• Mesosphere

• Ionosphere

• Stratosphere

If the Continental Crust is buoyant, what does it mean?

• It is less dense than the Oceanic Crust.

• It sinks under the Oceanic Crust.

• It will collide with the Oceanic Crust.

• It will deform with the Oceanic Crust.

What happens to pressure when as we move from the crust to the inner core?

• Pressure decreases

• Pressure increases

• Pressure becomes abnormal

• Pressure remains the same