Answer:
here is your ans
Explanation:
earthquakes , landslide , volcanic eruption
Tq
That is the correct order cambrian explosion 530m years ago , then dinosaurs ruled the world 230m years ago , kt boundary 65m years ago . And humans 6m years ago
It consists of two connected, differently named valleys, the Sacramento Valley and the San Joaquin Valley. The Sierra Nevada Mountains border the valley on the east side, while the Coast Range borders it on the west side.
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