Where did the carbon dioxide and methane data in the SmartFigure come from?
Answer: air bubbles in ice cores from Antarctica
Environmental & Atmospheric Sciences
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Which of the following is a pollutant at the local scale?
A) carbon dioxide B) carbon monoxide C) acid precipitation D) sulfur oxides E) chlorofluorocarbons
Environmental & Atmospheric Sciences
China's rail and road network is most dense in the:
A) north B) south C) east D) west
Environmental & Atmospheric Sciences
What is a great circle? What are small circles?
What will be an ideal response?
Environmental & Atmospheric Sciences
Which of the following rocks will be most resistant to weathering?
A) Solid bedrock B) Jointed bedrock C) Bedrock with solution weathering D) Bedrock with sheeting
Environmental & Atmospheric Sciences