Which of the following is a physical change?
ⓐsaw a piece of wood in half
ⓑburn a piece of wood
ⓒrust formed on an iron fence
ⓓa copper roof that changes color from red to green

uncle sam would be tossing and turning in his grave : *)

he 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:

d)to gain support for the independence movement.

hope this : )