Strontium 90: One of the radioisotopes of strontium; part of radioactive fallout, harmful to human health.

The privilege is reserved exclusively for women.

Records certify that Bob passed his driving test.

This bad weather is more than I bargained for.

An airplane is flying overhead.

It is highly probable that the deletion of element C will still yield the same result.

Yamada Dental Clinic provides a free consultation for those who are concerned about their teeth's alignment.

I often go downtown on Sunday.

Thus money in circulation drops, and price escalation quietens down.

What thought do you think had the biggest impact on the English in the Middle Ages?