Good scientific models can be tested and used to make predictions. What did Molina and Rowland's model of the interactions of CFCs and ozone
in the atmosphere predict would happen to the amount of ozone in the strato-
sphere as the level of CFCs increased?

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)