In 1910, Earth passed through the tail of Comet Halley. Among the various gases in the tail was hydrogen cyanide (HCN), which is deadly to humans. Yet nobody became ill from this event. Why not?

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.