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Global warming

Quiz by Mbunya Stephen Anyi

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6 questions
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  • Q1
    According to the audio story, what is the primary problem with creating artificial trees?
    cost
    ozones
    monsoons
    health effects
    30s
  • Q2
    What is the best meaning of the word controversial in this excerpt from the story? Use context to choose your answer. “This is a very kind of straightforward idea, not controversial, not much danger.”
    convenient
    conversation
    secure
    disputed
    30s
  • Q3
    Which of the following best describes the main idea of this audio story?
    Jeff Goodell, who discusses issues of geoengineering and climate change wrote the book How to Cool the Planet, which recently won a Granthan Prize for Environmental Reporting.
    Scientists know that large eruptions have had an effect on the global temperature of the Earth’s climate by injecting little sulfate particles high up into the stratosphere, which act as little mirrors, kind of reflecting away the sunlight and cooling the planet.
    In order to handle human-caused climate change, some advocate for geoengineering strategies such as creating tree substitutes or putting sulfate particles into the stratosphere, but these strategies have serious costs and worldwide consequences.
    A draft report from the Intergovernmental Panel on Climate Change revealed that scientists will report to the United Nations that it is nearly certain human activity has caused most of the Earth’s climate change over the last 50 years.
    30s
  • Q4
    What can you infer from these sentences from the story? “Well, simply put, geoengineering is sort of large-scale manipulation of the Earth’s climate to offset global warming. It sounds very sci-fi and far out, and it sort of is. But it’s something that people are now beginning to take seriously.”
    Global-warming is the wide-scale manipulation of the earth's climate
    Geoengineering has not always been a popular idea
    The speaker believes that offsetting global warming is a far out and unnecessary idea.
    People are beginning to take science fiction novels more seriously.
    45s
  • Q5
    What was the speaker’s most likely purpose for mentioning the Cold War?
    To demonstrate why sulfate particles help to reduce global warming in the stratosphere
    To explain how this conflict made the ozone problem worse in Bangladesh
    To argue that geoengineering will create another Cold War between the United States and Canada
    To give an example of what happens when one country can make global changes
    45s
  • Q6
    According to the audio story, what reasoning is provided for suggesting that injecting sulfate particles into the stratosphere could help with global warming?
    When volcanoes have created this effect, it has lowered Earth’s temperature.
    The ozone layer acts as a little mirror, reflecting away sunlight from Earth’s surface.
    This technique could serve as a simple, quick replacement for reducing greenhouse gases.
    High-altitude aircraft could immediately cool the planet by trading carbon dioxide for sulfate.
    45s

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