سوال ۱۲ کنکور ارشد ریاضی ۱۴۰۱

PART B: Cloze Passage — Read the passage and decide which choice best fits the space.

Fuel cell electric vehicles emit only water vapor and warm air, (11) ---------- no tailpipe emissions. Similar to electricity, hydrogen is an energy carrier that can be produced from various feedstocks. These feedstocks and production methods should be considered when (12) ----------.

Argonne National Laboratory's (ANL) report, Fuel Choices for Fuel Cell Vehicles: Well-to-Wheels Energy and Emission Impacts, analyzed greenhouse gas (GHG) (13) ---------- 10 of the most common hydrogen production and distribution pathways. ANL found that gaseous hydrogen produces (14) ---------- GHGs than liquid hydrogen in most cases. ANL also investigated hydrogen's effects on petroleum use and found that using hydrogen as a fuel (15) ---------- petroleum use by nearly %100 regardless of fuel production pathway.

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