All food preservation methods a. slow down or stop growth and reproduction of microorganisms b. involve removing liquid from the food
c. create an acidic environment for the food product
d. require the food to be heated before it can be preserved

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit