how come there is water vapour in the air when water only boils at 100 degrees?
Boiling just means the vapour pressure has exceeded the local atmospheric pressure. Liquids have some lower equilibrium vapour pressure at temperatures below that.
@gbj_tester started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
how come there is water vapour in the air when water only boils at 100 degrees?