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The reason why energy conservation is great is that
The adverb often in “Inputs often depend on the species that are farmed” can be replaced by the adverb
The words such as in “such as electronics, automobiles, and home appliances” (paragraph 1) is used to indicate
What has the study pointed out in relation to technological change?
The use of the modal verb can in “BioMed Central can accommodate nonstandard copyright lines” (paragraph 4) indicates that
The modal verb can in “they can also view the world…” (paragraph 1) conveys the idea of
The fact of being bilingual
By reading this text we can conclude that
The word ones in “to make new ones” (paragraph 5) refers to
“Recycling saves energy __________ less energy is used to recycle than to turn new raw materials into new products.” What is the best word to complete...