Question

14. the sun's layer is called the photosphere . A. true . . b. false . . 15. meteoroids can form when comets break apart , creating dust clouds. A. true . . b. false . . 16. a star is born whenever a nebula expands. A. true . . b. false . . 17. a star system has at least three stars. A. true . . B . false

Answer 1

Here are the answers on the questions represented above. I thing you don't need detailed explanation because these are just general facts.

14. true 
15. true 
16.false
17. false, obviously there should be more for making a system