he discovered oxygen
Joseph Black did discover carbon dioxide.
Oxygen
Joseph priestly
The dinitrogen monoxide (N2O) was discovered by Joseph Priestley in 1772.
Joseph Priestly discovered "oxygen" in 1744. He called it "dephlogisticated air."
He discovered it 1897.
Feather
200
Joseph Sharkey
Joseph Fourier
He was a botanist so he discovered plants.
i dont know the answer i want the answer myself