How do waves change as they approach the shore? A Friction acting on the top of the wave increases.
B. The wavelength decreases.
The distance between crests increases.
D. The height of the waves decreases.

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