hydrogen
Tiger electronics
The deep red, non-protein, ferrous component of hemoglobin, C34H32FeN4O4...
No, the impact energy of a meteor is all from kinetic energy, nothing nuclear is involved.
On average less than 1%. It is estimated that volcanoes emit on average 200 million tonnes of CO2 a year. This includes all volcanoes, hot springs and and undersea hydrothermal vents. Humans emit 26...