| question | By federal law, every gasoline-powered vehicle must have a catalytic ___ to reduce pollution. |
|---|---|
| option-correct | converter |
| options | revertaverthemispherebiospheredivertconvertersphericalstratosphere |
| hint | Fill in the Blank |
Tags: mwvb::quiz:fillblanks, mwvb::unit:15, mwvb::unit:15:quiz, mwvb::unit:15:quiz:fillblanks, obsidian_to_anki
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