Read the sentences from the section "Humans Seen As Reason For Recent Global Warming."
Scientists say that CO2 is the greenhouse gas most responsible for global warming.
In the past 20 years, the world's temperature has risen about two-thirds of a degree Fahrenheit, according to the National Oceanic and Atmospheric Administration.
Which option BEST describes the relationship between the two sentences?
A
The first sentence highlights a cause and the second sentence shows an effect.
B
The first sentence shows an effect and the second sentence highlights a cause.
C
The first sentence highlights a problem and the second sentence shows a solution.
D
The first sentence shows a solution and the second sentence highlights a problem.