Which gas was discovered on the sun about 151 years ago during total solar eclipse?

✅ D.  Methane, Butane and Propane

✅ A. Caffeine

✅ A. Thermometer

A thermometer measures temperature. Read more

✅ B. Pedology

✅ B. Earth rotation around its axis

✅ B. Selective absorption of light

✅ C. Green

✅ C.  Treaty to protect ozone layer