Are catgirls possible?

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

What organ is the first to receive nutrients that have been absorbed from the digestive tract?

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