What is equal to zero degrees Celcius in the Kelvin scale?

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments

If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?

What is happening when the water inside a kettle heats up and begins to boil