Which action describes the amount of heat required to have the heat of fusion?

A) evaporating 1 g of liquid into a gas

B) making substance sublimate

C) making material combust

D) melting 1 g of solid into a liquid

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.

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it

When a scientific theory has been tested and proved by the scientific community, it becomes a law