Spheres of the Earth - Geography Unit Objectives
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Questions and Answers

What is the primary objective of balancing the demands mentioned in the text?

  • Reducing ocean acidification
  • Preserving the lithosphere
  • Promoting sustainable economic development (correct)
  • Enhancing plate tectonics processes

Which phenomenon leads to negative impacts on marine life according to the text?

  • Atmospheric pressure changes
  • Hydrosphere expansion
  • Plate tectonics movement
  • Ocean acidification (correct)

What is the primary function of the lithosphere as described in the text?

  • Interacting with the asthenosphere
  • Comprising the Earth's solid outer layer (correct)
  • Regulating atmospheric temperature
  • Forming new oceanic crust

What percentage of heat generated by greenhouse gases does the ocean absorb?

<p>90% (D)</p> Signup and view all the answers

What is plate tectonics primarily concerned with?

<p>Movements of Earth's lithospheric plates (D)</p> Signup and view all the answers

What happens at divergent plate boundaries?

<p>Magma rises from the mantle to form new crust (D)</p> Signup and view all the answers

Which process explains the movements and interactions of Earth's lithospheric plates?

<p>Plate tectonics (A)</p> Signup and view all the answers

Flashcards

Sustainable Economic Development

To foster long-term economic growth without harming the environment.

Ocean Acidification

The ongoing decrease in the pH of the Earth's oceans, caused by the uptake of carbon dioxide (CO2) from the atmosphere.

Lithosphere

The Earth's rigid outer layer, composed of the crust and the uppermost part of the mantle.

Ocean Heat Absorption

The ocean absorbs a significant amount of the heat, specifically 90%, produced by greenhouse gases.

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Plate Tectonics

The theory explaining the movement of the Earth's lithospheric plates.

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Divergent Plate Boundary

A boundary where two plates move away from each other, and magma rises to form new crust.

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Plate Tectonics

The process that drives the movement and interaction of Earth's lithospheric plates.

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