Ozone Layer Questions and Answers

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Ozone Layer Questions and Answers

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The ozone layer ________. a. is getting thicker b. helps keep Earth warm c. is a layer in the deep ocean d. screens out UV radiation
Where is stratospheric ozone depletion most pronounced? (a) over Antarctica (b) over the equator (c) over South America (d) over North America and Europe (e) over Alaska and Siberia.
What gas is a human-made pollutant in the lower (surface) atmosphere but a natural and beneficial gas in the stratosphere? (a) CO2 (b) CH4 (c) O3 (d) CFCs (e) N2O
With examples describe the meaning of Ozone Hole.
Why is the stratospheric ozone so important?
Why is the stratospheric ozone layer important for human health?
Why is the stratosphere warmer than the upper troposphere?
Why is the ozone layer thinnest near the poles? Explain.
Why is ground-level ozone the highest in the summer?
Why are there ozone holes in the stratosphere?
Which statement best summarizes the world's reaction to stratospheric ozone depletion? a. The global scale of ozone-depleting chemicals makes the environmental problem of ozone depletion nearly imp...
Which UV radiation is absorbed by ozone? (a) UVC (b) UVA (c) UVB
Which of the following statements about the earth's atmosphere is correct? a. The mechanism for a story in the ozone layer over Antarctica involves the formation of polar stratospheric clouds. b....
Which of the following best explains why holes in the ozone layer appear predominantly over the South Pole? A. Formation of ice crystals in stratospheric clouds during the long winters provides sur...
Which of the following causes a decrease in the ozone layer? a. carbon dioxide b. ozone c. CFCs d. UV radiation
Which of the following are linked to the release of CFCs? \\ A. ''ozone holes'' in the stratosphere B. increased air pollution C. drinking water pollution D. increased food spoilage
Which gas is the most produced during the formation of photochemical smog?
Where is the stratospheric ozone layer located?
Where is stratospheric ozone depletion the highest?
Where are stratospheric ozone concentrations the lowest?
When did the stratospheric ozone layer develop?
When did global stratospheric ozone depleting substances peak?
When and where are stratospheric ozone levels at their highest?
What type of solar radiation is absorbed by stratospheric ozone?
What substance reacts with the Earth's stratospheric ozone layer?
What results from stratospheric ozone depletion?
What pollutant does not destroy stratospheric ozone?
What is the stratospheric ozone commonly called?
What is the relationship between solar radiation and stratospheric ozone?
What is the primary chemical that breaks down stratospheric ozone?
What is the ozone hole? Describe it.
What is the function of the stratospheric ozone layer?
What is the EPA doing to reduce ground-level ozone?
What is the decrease of the ozone layer in the stratosphere called?
What is a medical condition that becomes more prevalent with a decreased ozone layer? a. Increase in cases associated with dehydration. b. Increase in brain tumors. c. Increase in the number of inf...
What is a direct effect on humans that increases with the depletion of atmospheric ozone?
What intermolecular forces are present in O3?
What elements cause ground-level ozone?
What effect do chlorofluorocarbons have on the stratosphere?
What does the ozone do in the stratosphere?
What does ozone hole refer to?
What do hydrofluorocarbons do to animals?
What do we refer to as an increase in the thickness of the ozone layer in the stratosphere?
What do the experiments suggest about the bond length between the oxygen atoms in the ozone (O_3) molecule? (a) The bond length between the oxygen atoms is consistent with long single bonds (b) Th...
What did Mario Molina contribute to science?
What chemicals are destroying the ozone layer?
What are three negative health effects of ground-level ozone?
What are the pollutants that deplete atmospheric ozone when molecules containing chlorine separate, and the chlorine bonds with the ozone molecules?
What are the harmful effects of ozone depletion?
What are the effects of pollution on the ozone layer?
What are the causes and impacts of ozone depletion?
What are some problems caused by ground-level ozone?
What are factors affecting the balance of the ozone layer?
What absorbs ultraviolet rays in the stratosphere?
True or false? The ozone layer is important because humans need to breathe air containing some ozone.
True or false? The ozone layer is important because ozone purifies the atmosphere by reacting with excess fluorocarbons.
True or false? The ozone layer causes a temperature increase in the stratosphere.
The ozone hole refers to a decrease in the thickness of the ozone layer in the.
The ozone layer is a thin layer that prevents us from direct sunlight. Explain how it works and why it is important.
The ozone layer helps to sustain terrestrial life by _____.
The main ingredient/s in forming ground-level ozone are/is: a. volatile organic compounds and nitrogen oxides. b. volatile organic compounds alone. c. volatile compounds and sulfur oxides. d. n...
The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is: A. helium B. ozone C. oxygen...
The Arctic and Antarctic respond differently to global climate change. A significant amount of ice has been melting each year in the Arctic; meanwhile the Antarctic has: a. been unaffected. b. been...
Ozone depletion is a serious threat to our survival; which gases are extremely harmful to the ozone layer? A. Carbon dioxide B. Nitrogen C. Chlorofluorocarbons D. Hydrocarbons
Ozone is a simple molecule made up of three oxygen molecules linked together by very unstable bonds (O3). This makes ozone a very reactive gas. It is also a gas that blocks ultraviolet (UV) radia...
Ozone converts ultraviolet light and infrared rays into heat by two distinct routes. Describe the different pathways.
Ozone hole refers to: A. hole in ozone layer B. decrease in the ozone layer in troposphere C. decrease in thickness of ozone layer in stratosphere D. increase in the thickness of ozone layer in...
Ozone hole refers to: A. hole in the ozone layer. B. decrease in the ozone layer in the troposphere. C. decrease in thickness of the ozone layer in the stratosphere. D. increase in the thickness of...
Next to China, which country is the world's leading producer of greenhouse gases that contribute to the depletion of ozone layers? a. United States b. Mexico c. Canada d. Russia
Is there a direct relationship between depleted ozone and increases in heat?
Is the ozone layer in the magnetosphere?
How were tons of hydrofluorocarbons discharged by Mount Pinatubo?
How is NO involved in the chemistry of tropospheric ozone?
How is the molecule ozone both beneficial and harmful to our health?
How is the ozone destroyed in the stratosphere?
How is stratospheric ozone different from tropospheric ozone?
How is ground-level ozone measured?
How is ground-level ozone different from stratospheric ozone?
How does the ozone impact the climate system?
How does vehicle exhaust contribute to ground-level ozone?
How does ozone depletion affect the geosphere?
How do trees help remove ground-level ozone?
How can the carbon dioxide content of the atmosphere hundreds of years ago be determined today and what substances have been blamed for the loss of ozone in the atmosphere?
How can pollution result in the depletion of the ozone layer?
How are hydrofluorocarbons produced?
Fill in the blank. The Ozone hole refers to ________.
Explain why the chlorine atoms liberated from CFCs are thought to be a serious threat to the ozone layer.
Explain why UV-B radiation can be damaging to us and our environment if it reaches the earth in higher quantities than it does now.
Explain why ozone is a pollutant in the lower atmosphere but a necessary component of the earth's upper atmosphere.
Explain the differences between "good" and "bad" ozone in reference to where they are, how they are formed, and what effects they have on us.
Explain how oxygen molecules, O2, and ozone molecules, O3, work together to protect us from high-energy ultraviolet radiation.
Explain how stratospheric ozone forms and how it is broken down.
Does ground-level ozone deplete the ozone layer?
Do chlororfluorocarbons or hydrofluorocarbons affect the ozone more?
Do hydrofluorocarbons destroy the ozone?
Do hydrofluorocarbons destroy the stratospheric ozone?
Do all green house gases deplete the ozone layer?
Discuss the depletion of our ozone layer. Why we should care, what is causing it and what can we do to stop it?
Chlorofluorocarbons diffuse in the troposphere where they begin to decompose allowing the chlorine atoms to break down ozone. a. True. b. False.
Chlorine atoms in the upper atmosphere reduce the level of ozone because: A. they cause ozone molecules to collide in the correct orientation for reaction. B. they lower the activation energy neede...
CFC-114 has a tropospheric lifetime of 236 years. Would you expect CFC-115 to have a longer or shorter lifetime? Why?
Answer true or false: Chlorofluorocarbon compounds are believed to be catalysts for the stratospheric decomposition of ozone.
A global agreement known as the Montreal Protocol led to the phase-out of chlorofluorocarbons (CFCs), chemical compounds found in aerosol cans and refrigerants. CFCs may have contributed to the gro...
What is the processes through which ozone hole is created in Antarctica?
What is the importance of atmospheric ozone in terms of ultraviolet radiation from the sun?
Oxygen radicals are formed when: a) CFCs stay in the troposphere. b) UVA rays are absorbed. c) O3 is formed. d) Ozone is broken down.
What is the importance of the ozone layer to life on the planet?
Sketch the energy profile for the reaction between atomic oxygen and the ozone that occurs in the stratosphere, given the activation energy is 17.1 kj/mol and the information below. Label all axis...
The current National Ambient Air Quality Standard (NAAQS) for O_3 is 70 ppb. a. Ozone levels in the San Diego Foothills can reach levels that are considered unhealthy for sensitive groups. If oz...
Convert into ppb units the EU ozone standard of 120 μg/m^{-3} and the WHO standard 100 μg/m^{-3}, assuming summertime air temperatures of 27 ^oC.
Draw the full mechanism (with electron-pushing arrows) for the reactions showing how stratospheric ozone is catalytically destroyed by CFC-13.
How to use Montreal protocol and ozone depletion as a focus in solving environmental concerns?
We have slowed the rate of ozone hole-creation by banning the production of ozone-depleting chemicals. A. True B. False
In 1987, 36 nations meeting in Montreal, Canada, developed the Montreal Protocol to reduce the production of: A. carbon dioxide. B. nitrous oxide. C. CFCs. D. sulfur dioxide. E. All of the above.
The major danger associated with a thinning of our ozone layer is what? A. The potential for more UV(ultraviolet) radiation to reach the earth. B. The potential for more IR(infrared) radiation to r...
Ozone is an essential molecule that protects Earth from UV radiation. Increases in atmospheric CFC molecules have increased the rate of ozone depletion. The following equation represents part of on...
Ozone is an essential molecule that protects Earth from UV radiation. Increases in atmospheric CFC molecules have increased the rate of ozone depletion. The following equation represents part of on...
Explain about the ozone hole.
Define ozone hole.
Which layer of the atmosphere contains the ozone? A) Troposphere B) Thermosphere C) Mesosphere D) Stratosphere
Why are ozone levels typically not reported in the winter months? a. because of the differences in the sunlight between the summer and the winter b. because of the temperatures c. because of the ne...
The replacement of a halogen atom in a CFC molecule with a hydrogen atom makes the compound more environmentally friendly. Draw Lewis structure for the compound CH_2CIF (Freon 31).
What is ozone layer depletion believed to be caused chiefly by?
Which protocol called for global efforts to stop the destruction of the stratospheric ozone layer?
For most greenhouse gases, injection of 1kg of gas into the atmosphere decays exponentially with time (but not for CO2), so their GWP equation can be simplified to:
Which chemical element is destroying the ozone?
Has depletion of stratospheric ozone occurred over the Arctic region?
1. The stratospheric ozone layer is located about how many miles from the earth? 2. Why is ozone thinning more at the poles? 3. How does the ozone loss affect human food supply?
Why is ozone depletion greater in Antarctica than in the Arctic?
Why is the largest ozone hole over Antarctica?
Who discovered the ozone hole over Antarctica?
When was the ozone hole over Antarctica discovered?
What caused the hole in the ozone layer over Antarctica?
How is the ozone layer depleting?
Is ozone the only atmospheric gas that protects Earth from UV radiation?
Is ozone beneficial for humans? Why or why not?
Ozone is beneficial in Earth's _____ but harmful in Earth's _______.
What is the difference in the Ozone Depleting Potential of CFC-11 and carbon-tetrachloride? In other words, why is carbon tetrachloride a little bit more dangerous to the ozone?
Which gas absorbs UV radiation and protects living things?
In conventional refrigerants, what is the element responsible for ozone depletion?
What is a direct effect on humans that increases with atmospheric ozone depletion?
Distinguish between classical smog and photochemical smog. What is the prime indicator of the latter?
Which of the following is a likely consequence of the thinning of the ozone layer? a. Increase in lethal and nonlethal skin cancers. b. Increase in the escape of heat from the Earth. c. Global warm...
Explain how conventional law may play a role in solving Ozone layer depletion problems, and what extent the global commons is a factor.
What does the ozone hole refers to? a] A big hole in the ozone b] It refers to a decrease in thickness in the ozone in the stratosphere c] It refers to an increase in thickness in the ozone
One of your classmates argues that high levels of tropospheric ozone are beneficial to human beings because ozone protects Earth from the sun's ultraviolet radiation. Evaluate the accuracy of your...
Explain why different ozone-depleting substances differ in terms of the length of time that elapses between their emission to the atmosphere and their release of catalytically active chlorine.
Discuss how hydrocarbons contribute to the formation of ozone in the atmosphere.
The zone of atmosphere in which the ozone layer is 1 answer below The zone of atmosphere in which the ozone layer is present is called: 1) Mesoshpere 2) Stratosphere 3) Troposphere 4) Ionosphere
Cite the causes and potential effects of ozone destruction in the stratosphere.
Distinguish between surface ozone and stratospheric ozone.
How does ozone depletion affect phytoplankton?
Which of the following species is reportedly responsible for almost 50% of the total ozone destruction? a. Br b. Cl c. OH^- d. NO Studies showed that the hypoxia (dead zone) in the Gulf of Mex...
1) How do CFCs play a role in ozone depletion? Explain and include an equation to demonstrate your answer 2) What are the health effects of ozone in polluted air?
Which of the following cannot be plausibly linked to the destruction of the ozone layer? A. Damage to crops. B. Increased number of skin cancer cases. C. Genetic mutations. D. Increasing global...
What does ozone protect us from?
Which of the following statement(s) are correct about the following set of reactions? I. O2 + UVB arrow O + O II. O2 + O arrow O3 III. O + O3 arrow O2 + O2 A. They add up to O3 + UVB arrow O2 + O....
The stratospheric ozone (O_3) layer helps to protect us from harmful ultraviolet radiation. It does so by absorbing ultra-violet light and falling apart into an O_2 molecule and an oxygen atom, a p...
Why is ozone concentrated in a particular range of levels in the atmosphere?
High-flying aircraft release NO into the stratosphere, which catalyzes this process. When O_3 and NO concentrations are 6*10^12 molecule/cm^3 and 2.8*10^9 molecule/cm^3, respectively, what is the r...
Why does temperature increase with altitude in the stratosphere?
Which layer of the Earth's atmosphere contains the ozone layer?
How do chlorofluorocarbons affect Earth's ozone layer?
Why is the ozone layer important to life on Earth?
What kind of light warms the stratosphere?
What are the dangers associated with a hole in the ozone layer?
How do volcanic eruptions affect the ozone layer?
Is the ozone layer gone?
Is the ozone layer part of the atmosphere?
Does acid rain affect the ozone layer?
How was the hole in the ozone layer discovered?
When was the ozone layer discovered?
How do CFCs cause the ozone layer to break down?
What can countries do to help the ozone layer recover?
Do aerosols deplete the ozone layer?
Is there depletion of the Arctic ozone layer?
What does carbon dioxide do to the ozone layer?
What damages the ozone layer the most?
What is the color of the ozone layer?
Who discovered the ozone layer?
How does nitrous oxide deplete the ozone layer?
Who discovered ozone layer depletion?
How severe is the depletion of the Antarctic ozone layer?
Who invented the ozone layer?
How much of the ozone layer is left?
How does chlorine affect the ozone layer?
Which temperature zone contains the ozone layer?
What chemicals affect the ozone layer?
Is the hole in the ozone layer visible?
Will the ozone layer disappear?
How does the ozone layer affect climate?
What color is ozone?
Does carbon dioxide affect the ozone layer?
Does the ozone layer affect climate change?
What does pollution do to the ozone layer?
Why do CFCs damage the ozone layer?
Why is the ozone layer thinner over Antarctica?
Is the ozone layer increasing or decreasing?
Do cow farts destroy the ozone layer?
What is the altitude of the ozone layer?
Does the ozone layer absorb ultraviolet radiation?
Does methane affect the ozone layer?
What has been done to protect the ozone layer?
Is there a hole in the ozone layer above Australia?
What type of air pollution damages the ozone layer?
Why is it important to protect the ozone layer?
How does freon destroy the ozone layer?
When did the ozone layer start depleting?
Does global warming affect the ozone layer?
When was the hole in the ozone layer discovered?
Does the ozone layer rotate with Earth?
How many holes are in the ozone layer?
How does climate change affect the ozone layer?
Where is the ozone layer the thinnest?
How are humans damaging the ozone layer?
How much of the ozone layer is destroyed each year?
Where is the biggest hole in the ozone layer?
How does the ozone layer change over time?
Why is the ozone layer in the stratosphere?
How do aerosol cans affect the ozone layer?
What is the primary function of the ozone layer?
Is hairspray bad for the ozone layer?
How did the ozone layer get a hole?
How do we measure the ozone layer?
How does hairspray affect the ozone layer?
Why is ozone layer depletion at its maximum at the South Pole?
How does the ozone layer repair itself?
What type of radiation does the ozone layer absorb?
What is another name for the ozone layer?
Where is the ozone layer within the stratosphere?
Does depletion of the ozone layer cause global warming?
When will the ozone layer be gone?
Is the ozone layer in the stratosphere?
Do cow farts affect the ozone layer?
How big is the ozone layer?
Can you see the ozone layer?
How far is the ozone layer from Earth?
Does the ozone layer trap heat?
How do refrigerants affect the ozone layer?
How does smog affect the ozone layer?
What human-made chemical damages the ozone layer?
Does the ozone layer affect global warming?
Which aerosol depletes the ozone layer?
Do greenhouse gases damage the ozone layer?
How fast is the ozone layer depleting?
Do other planets have ozone layers?
What would happen if the ozone layer disappeared?
What is happening to the good ozone layer?
How do greenhouse gases affect the ozone layer?
Is the ozone layer good or bad?
How does the ozone layer relate to global warming?
Does methane destroy the ozone layer?
How does burning fossil fuels affect the ozone layer?
Is the ozone layer real?
Why is the destruction of the ozone layer dangerous?
Do fossil fuels destroy the ozone layer?
Is the ozone layer fixed?
How does methane affect the ozone layer?
Why is the ozone layer disappearing?
Which refrigerant depletes the ozone layer?
Why is the ozone layer important to your health?
What will happen to the ozone layer in the future?
Can the ozone layer recover?
How does carbon dioxide affect the ozone layer?
Which chemicals are major contributors to ozone layer destruction?
Who discovered the hole in the ozone layer?
What is the temperature of the ozone layer?
How many ozone layers does Earth have?
Does carbon monoxide affect the ozone layer?
How big is the hole in the ozone layer?
What happens when the ozone layer is damaged?
What is meant by the "hole" in the ozone layer?
When will the ozone layer recover?
Does pollution affect the ozone layer?
How does the ozone layer protect us?
When did the ozone layer form?
How thick is the ozone layer?
How did the ozone layer form?
Is there a hole in the ozone layer?
What damages the ozone layer?
Is the ozone layer repairing itself?
What type of rays are filtered by the ozone layer?
Where is the hole in the ozone layer?
What is the ozone layer made of?
What does the ozone layer do?
Why is the ozone layer important?
Does ozone have ionic or covalent bonds?
What is ozonosphere?
What happened to the hole in the ozone layer?
What is happening to the ozone layer?
What is global warming doing to the ozone layer?
What is the source of CFCs and how do CFCs cause ozone depletion?
What is an ozone hole?
What is the Montreal Protocol?
What is ozone depletion?
What is the ozone layer?
Why is ozone gone in the winter months in Antarctica?
Is O3 a free radical?
State some effects of a thinning ozone layer.
What is the term for gases produced by aerosols?
Which layer of the atmosphere holds the ozone layer?
Where is over 95% of incoming ultraviolet radiation absorbed?
What were the results of the Montreal Treaty of 1986?
Ozone molecules are destroyed by
What do both halons and CFC do?
When is ozone considered a pollutant?
In which level of the atmosphere is ozone concentrated?
How are individual atoms of oxygen formed in the stratosphere?
What does the ozone layer absorb?
The ozone layer is located where?
What does the ozone layer protect us from?
How does the ozone layer affect life on Earth?
What filters cancer-causing rays from the Sun?
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