Q26: What is a “carbon footprint”?
Q27: What property describes the ability of a surface to reflect solar radiation?
Q28: Desertification, exacerbated by climate change, threatens to expand which major desert in Pakistan?
Q29: What is the term for a prolonged period of abnormally low rainfall, leading to a shortage of water?
Q30: What is the primary human activity responsible for the enhanced greenhouse effect?
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