What do an eye a telescope and microscope have in common

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

What is the main fuel source for the work of the cell

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