Why can ethanol be considered carbon-neutral?
A、plantsoffsetCO2astheygrow;
B、plantsabsorbCO2astheygrow;
C、plantsabsorbCO2whenethanolismadeandburned;
D、plantsoffsetCO2whenethanolismadeandburned
发布时间：2025-10-06 08:44:15
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答案：plants absorb CO2 as they grow; plants offset CO2 when ethanol is made and burned
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