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.

answer: mickey mouse

explanation:

no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others  

answer: the risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation: