Heat rising from Earth's interior drives erosion.
a. True
b. False
Indicate whether the statement is true or false
Question 2
Which type of nebula is produced when a star, hotter than 25,000 K, excites the gas near it to produce an emission spectrum producing a distinctive pink color?
a. emission nebulae
b. H I
c. reflection nebulae
d. dark nebulae
e. spectral type B6
