Final answer:
A major characteristic of Greek culture was the belief that the gods interact with everyday life. The ancient Greeks worshiped a large pantheon of gods and engaged in religious rituals and festivals.
Step-by-step explanation:
A major characteristic of Greek culture was the belief that the gods interact with everyday life. The ancient Greeks were a polytheistic society and worshiped a large pantheon of gods. They looked to these gods and their mythology to explain natural mysteries and current events, and engaged in religious rituals, sacrifices, and festivals to appease and honor the gods.