A(n) is a combination of equal parts of a prepared permanent color mixture and shampoo?

How can you keep track of variables in a science experiment?

What type of pollution does household garbage cause

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