Henry Priestly discovered
Henry Kelsey is known for being the first European to explore the Canadian prairies. In 1690, he traveled through present-day Saskatchewan and Alberta, documenting the landscape and encountering indigenous peoples of the region.
The past tense of "discovered" is "discovered."
Roanoke Island was discovered by English explorers in 1584.
Haiti was discovered by Christophor Columbus
The past participle of "discover" is "discovered."
Joesph Priestly
I believe it was the Augurs.
Take in oxygen
Joseph Priestly.
Priestly discovered Oxygen which a major element in combustion or burning
Antoine Lavoisier and Joseph Priestley independently discovered that water is composed of hydrogen and oxygen in the late 18th century. Lavoisier demonstrated this through experiments and chemical analysis, while Priestley isolated oxygen from water through his own experiments.
Oxygen was discovered in 1774 by Joseph Priestly and named by Laurent Lauoisier in 1774.
Henry Cavendish discovered the element hydrogen in 1766.
Oxygen Gas
Joseph Priestley discovered oxygen by heating mercuric oxide, which released a gas that could reignite a glowing splint. He called this gas "dephlogisticated air," which we now know as oxygen.
he discovered oxegen, gasses, invented carbonated beverages (soda water) and the pencil eraser
Oxygen was discovered for the first time by a Swedish Chemist, Carl Wilhelm Scheele, in 1772. However English chemist Joseph Priestly discovered it independently in 1774. Since Priestly published his findings in 1775 and Scheele's findings were not published until 1777, Priestly is usually credited with the discovery.