What was the Copernican revolution? A. The discovery that the universe was expanding
B. The discovery that the moon revolved around the Earth
O C. The discovery that the Earth revolved around the sun
OD. The discovery that the sun was not the center of the universe
SUBMIT

Two changes are described below. a green banana turns yellow and ripens. a layer of rust forms on an iron nail. which statement is true about the two changes? a) both are chemical changes because new substances are formed. b) both are physical changes because only the physical state of the substances change. c) a is a physical change due to a change of state, but b is a chemical change because new molecules are formed. d) a is a chemical change due to a change of state, but b is a physical change because new molecules are formed.