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History, 06.01.2021 02:20 csciahetano

HELP I HAVE 20 MINUTES What was the first advance in refrigeration technologies in the 1800s? 1 A US patent for refrigeration was filed.
2 A practical refrigerated train car was built.
3 A refrigerated ship transported meat by sea.
4 A refrigerated food storage plant was built.

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HELP I HAVE 20 MINUTES What was the first advance in refrigeration technologies in the 1800s? 1 A U...
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