Explain why heating the water using the kettle and the Bunsen burner waste different amounts of energy

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

When the water vapor cools it condenses select a number that represents his process on the