What was the first advance in refrigeration technologies in the 1800s? AUS patent for refrigeration was filed.
A practical refrigerated train car was built.
A refrigerated ship transported meat by sea.
A refrigerated food storage plant was built.

How does "marian anderson sings" differ from the informational text in organization?

Why did the 24th amendment and the civil rights act succeed when other legislation had failed?

Characteristics of what type of economic system are being described below? 1.economy in which some/all of the basic economic questions answered by central authority 2.trade generally limited to what is produced through the influence of the government a.command economies. b.market economies. c.traditional economies.