天変てんぺん地異ちい説せつ

tempenchiisetsu

1. Not a theory of upheaval.; Not a theory of cataclysm.

1. Was a theory of cataclysm.; Was a theory of upheaval.

1. Cataclysm theory; Theory of cataclysms

1. It's not a theory of cataclysm.; It's not a theory of upheaval.

1. It's not a theory of cataclysmic events.; It's not a theory of upheaval.

1. It was a theory of cataclysm.; It was a theory of upheaval.

1. Cataclysm theory.

1. Not a theory of cataclysm.; Not a theory of upheaval.

1. It wasn't a theory of cataclysms.; It wasn't the cataclysm theory.

1. Probably a theory of cataclysm.; Probably a theory of upheaval.

1. It wasn't a theory of cataclysmic events.; It wasn't the explanation of natural disasters.

1. It wasn't a theory of cataclysm.; It wasn't the cataclysm theory.

1. Probably a theory about cataclysmic events.; Probably a theory about natural disasters.

1. It wasn't a theory of cataclysmic events.; It wasn't the theory of natural disasters.

1. If it were a theory of cataclysmic events; If there was a theory of natural disasters

1. If/when there are natural disasters; If/when there’s a theory of natural disasters

1. If/When natural disasters; If there's a theory about natural disasters