Astrobiologists searching for signs of life on other planets primarily search for

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

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