Antoine Henri Becquerel was a French physicist who did a lot of work with fluorescent minerals. While conducting some experiments with minerals containing uranium, he discovered , but he did not know it at the time.

What was the purpose of the u. s navy's convoy system

Nationalist movements in the ottoman empire resulted in

What was one important characteristic of the russian military during world war i? a. it had more advanced military technology than its western european allies. b. it was an all-volunteer military that enjoyed high morale throughout the war. c. it defended russian territory but refused to attack german positions d. it was unable to provide its forces with adequate weapons and supplies.