The correct answers are:
b They are composed of matter from dying stars.
d They contribute matter to interstellar space.
e They are diffuse.
What do supernova remnant and planetary nebulae have in common? Select the three correct answers.(2 points)
Responses
a They are composed only of hydrogen and helium.
b They are composed of matter from dying stars.
c They emit non-visible radiation.
d They contribute matter to interstellar space.
e They are diffuse.
1 answer