Layers of Earth's Atmosphere

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Questions and Answers

What is the main component of the atmosphere's water and aerosols?

  • Water vapor (correct)
  • Ozone
  • Carbon dioxide
  • Nitrogen

In which layer of the atmosphere does temperature decrease with altitude by about 6.5°C/km?

  • Troposphere (correct)
  • Mesosphere
  • Stratosphere
  • Thermosphere

What is the main chemical dominating the stratosphere?

  • Nitrogen
  • Carbon dioxide
  • Helium
  • Ozone (correct)

What is located at the coldest point in the atmosphere?

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

Which layer of the atmosphere has exceptionally low pressure above 90km?

<p>Thermosphere (C)</p> Signup and view all the answers

Which layer of the atmosphere is characterized by rapid mixing and ion chemistry?

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

What is the depth with the steepest change in temperature with depth called?

<p>Thermocline (C)</p> Signup and view all the answers

Which component dominates in the surface waters of ocean circulation?

<p>Wind-driven component (A)</p> Signup and view all the answers

What is the timescale for a parcel of water to circle the globe in thermohaline circulation?

<p>1-2 thousand years (B)</p> Signup and view all the answers

What regions are denoted by blue arrows in the thermohaline circulation diagram?

<p>Transport of bottom waters (A)</p> Signup and view all the answers

According to Wallace and Hobbs, which regions are shaded in the thermohaline circulation diagram?

<p>Downwelling regions (A)</p> Signup and view all the answers

Where do prevailing winds drag the top layers of water according to the text?

<p>Surface waters (B)</p> Signup and view all the answers

What is the term used to describe the rate of temperature change with altitude in the atmosphere?

<p>Lapse rate (A)</p> Signup and view all the answers

Which region of the atmosphere contains about 90% of the atmosphere's mass?

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

What causes the circulation in both the atmosphere and oceans, leading to weather patterns?

<p>Density differences (B)</p> Signup and view all the answers

What is the term for a volume of air with a large number of molecules relative to its surroundings?

<p>Air parcel (D)</p> Signup and view all the answers

Which atmospheric layer tends to warm the surface of the Earth through radiative transfer?

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

What is referred to as the height at which pressure and density decrease nearly exponentially with height?

<p>E-folding depth (C)</p> Signup and view all the answers

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