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TOEFL
/
Listening practice
/ Section JA4G
Listen to an Academic Talk
Listen to a talk in an environmental science class.
Listen
26. According to the professor, why did temperatures drop?
A
Ash blocked the sun for several years.
B
The ocean became colder after the eruption.
C
Droplets in the atmosphere reflected sunlight.
D
Clouds covered most of the earth.