Can heat kill all microorganisms?

Answer 1

There are many microorganisms that live around us and each can can survive under certain temperature conditions. Heat can kill certain microorganisms but it cannot kill all microorganisms.

There are bacteria that can live in extreme heat conditions. These microorganisms that live in high heat temperatures (100 degrees and 250+ degrees Fahrenheit) are called thermophiles, extremophiles and can live near volcanic areas, really hot sea vents, deserts and geysers.