Gun powder was used for military purposes in the 919 A.D. It killed many people in China. It was explosive.
Answer:
Kung ang supply ay mataas o marami, ang demand ng isang produkto ay mababa. At kung ang demand naman ay mataas, ang supply ay mababa o magkukulang
Explanation:
:)
The answer would be 1900 the highest ever recorded was in 1965