Read the given paragraph and select the option which correctly fills the blanks. When stars run out of fuel in their core, they bloat into___ (i) ___giants. After a few million years, the outer layers begin to 'puff off', forming a planetary nebulae, leaving behind only the dead core of mostly ___ (ii) ___ fill and __ (iii) _. They then become ___ (iv) ___ dwarf stars.

stars only the dead core dwarf stars giants a few million years their core the blanks the option fuel the given paragraph 7th Class Question Bank General Knowledge in 7th Class Question Bank