Sentence examples for so is unknown from inspiring English sources

But how many will do so is unknown.

Why they did so is unknown; perhaps, coiling gave them better protection against their predators, but the shell change also affected the ammonoid embryos.

A few kingdoms, such as Dál Riata, became Christian but how they did so is unknown.

He is not mentioned often in documents from his time as chancellor, but why this is so is unknown.

The mechanism by which it does so is unknown.

SigC negatively regulates development [ 63], but how it does so is unknown.

Mao is there, as is his infamous wife Jiang Qing; so are unknown scholars and Red Guards.

His reasons for doing so are unknown, but the biographer Bernard Glassman surmises that it was to avoid being confused with his father.

So much is unknown.

"So much is unknown," she said.

The astonishing thing here is that so much is unknown: any visitor can have an opinion.