PART B: Which detail from the text best supports the answer to Part A?
A.
“These gases are nicknamed ‘greenhouse gases’ because of their heat-trapping effect. Without the ‘greenhouse effect,’ Earth would be too cold to support most forms of life.” ( Paragraph 2)
B.
“Products of these fossil fuels, such as gasoline and diesel fuel, power most of the engines that drive cars, airplanes and ships.” ( Paragraph 3)
C.
“By examining air bubbles in ice cores taken from Antarctica, scientists can go back and calculate what the concentrations of carbon dioxide in the atmosphere have been throughout the last 650,000 years.” ( Paragraph 4)
D.
“‘But because we’ve burned a lot of fossil fuels and deforested parts of the planet, we’ve increased the amount of greenhouse gases, and as a result have changed the temperature of the planet.’” ( Paragraph 6)