Câu hỏi trắc nghiệm (5 câu):
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Câu 1: Mã câu hỏi: 114958
A layer of greenhouse gases - primarily water vapor, and carbon dioxide - acts as a _____ blanket for the Earth, absorbing heat and warming the surface.
- A. thermal
- B. hot
- C. heat
- D. heating
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Câu 2: Mã câu hỏi: 114961
Most climate scientists agree the main cause of the current global warming trend is human expansion of the greenhouse ______ .
- A. causes
- B. effect
- C. gas
- D. damage
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Câu 3: Mã câu hỏi: 114962
Certain ______ in the atmosphere, such as carbon dioxide, methane and nitrous oxide, block heat from escaping.
- A. effects
- B. emissions
- C. gases
- D. layers
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Câu 4: Mã câu hỏi: 114963
Carbon dioxide is released through_________ processes such as respiration and volcano eruptions and through_______ activities such as deforestation, land use changes, and burning fossil fuels.
- A. human - natural
- B. natural - human
- C. man-made - ordinary
- D. ordinary - man-made
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Câu 5: Mã câu hỏi: 114964
A strong greenhouse effect will warm the oceans and partially melt glaciers, increasing
- A. temperature
- B. sea water
- C. sea level
- D. pollution
