Layers of the Earth's Atmosphere
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Questions and Answers

What is the temperature range of the Troposphere?

  • 180 - 275 K
  • 200 - 275 K
  • 180 - 1473 K
  • 280 - 300 K (correct)

Which atmospheric region contains a stable region with less convective mixing due to an increase in temperature and decrease in gas density?

  • Thermosphere
  • Stratosphere (correct)
  • Mesosphere
  • Troposphere

At what altitude does the temperature inversion occur in the atmosphere?

  • 50 km (correct)
  • 85 km
  • 0 km
  • 15 km

Which region of the atmosphere is near vacuum with relatively low concentrations of species?

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

What is the principal chemical species in the Mesosphere responsible for photochemical decomposition?

<p>$O3$ (D)</p> Signup and view all the answers

Which atmospheric region has a homogeneous composition of gases?

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

What is the dominant factor in the catalytic decomposition process of O3?

<p>Free radicals (B)</p> Signup and view all the answers

Which compound is a storage product for a while in the ClOx cycle?

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

What is the primary measurement used to quantify ozone depletion potential?

<p>Ozone depletion potential (A)</p> Signup and view all the answers

Which compound has an ODP of 1?

<p>CFC-11 (B)</p> Signup and view all the answers

What contributes to greenhouse gases but has a lowered applicability as a replacement compound for CFCs?

<p>HFC-134a (A)</p> Signup and view all the answers

What can be found in fire retardants and are the bromine analogues of CFCs?

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

What is the primary cause of increased cancer incidents in Asian countries according to the text?

<p>Increased atmospheric heating in the equatorial region (B)</p> Signup and view all the answers

Which of the following is NOT a principal component of photochemical smog?

<p>Carbon monoxide (CO) (B)</p> Signup and view all the answers

What is the primary source of environmental contamination by arsenic?

<p>Emissions from the mining industry (D)</p> Signup and view all the answers

Which of the following heavy metals is known to inhibit the conversion of ADP to ATP, according to the text?

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

What is the primary use of tributyltin compounds mentioned in the text?

<p>As stabilizers and catalysts in polymer production (B)</p> Signup and view all the answers

Which of the following radioactive isotopes is mentioned in the text as a common waste product of nuclear testing?

<p>Strontium-90 (Sr-90) (C)</p> Signup and view all the answers

Which layer of the atmosphere is characterized by intense convection and mixing?

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

What is the temperature range of the stratosphere?

<p>200-275 K (D)</p> Signup and view all the answers

Which atmospheric region has a temperature inversion at -2 degrees C and 50 km altitude?

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

At what altitude does the mesopause reach its lowest temperature of -90 degrees C?

<p>85 km (B)</p> Signup and view all the answers

Which atmospheric region is considered near vacuum with relatively low concentrations of species?

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

Which atmospheric compound is an effective filter that absorbs UV radiation in the 200-300 nm range?

<p>O3 (B)</p> Signup and view all the answers

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