A nuchal cord is defined as an umbilical cord that:
Select one:
A. is lacerated due to a traumatic delivery.
B. has separated from the placenta.
C. is wrapped around the baby's neck.
D. has abnormally developed blood vessels.

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