Which of the following statements are true of natural disasters?

A: They affect different regions in different ways
B: They and their impacts cannot be lessened by laws, infrastructure, and communication
C: They are defined by a potential for a geologic, hydrologic, atmospheric, or biological event to occur
D: They only occur in the ring of fire

A: They affect different regions in different ways

C: They are defined by a potential for a geologic, hydrologic, atmospheric, or biological event to occur