单选题According to the passage, the greatest part of the solar energy that reaches the Earth is _____.Areflected back to space by snow and iceBconcentrated at visible wavelengthsCabsorbed by carbon dioxide moleculesDabsorbed by atmospheric water vapor
单选题
According to the passage, the greatest part of the solar energy that reaches the Earth is _____.
A
reflected back to space by snow and ice
B
concentrated at visible wavelengths
C
absorbed by carbon dioxide molecules
D
absorbed by atmospheric water vapor
参考解析
解析：
根据文章第一段第二句可知，“these molecules allow radiation at visible wavelengths, where most of the energy of sunlight is concentrated, to pass through”，由此可以推断选项B是正确的。
根据文章第一段第二句可知，“these molecules allow radiation at visible wavelengths, where most of the energy of sunlight is concentrated, to pass through”，由此可以推断选项B是正确的。
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