D
dukebball002
Guest
Most of the Earth is made of elements that were originally created by nuclear fusion occurring in which of the following types of stars? (choose two of the following)
A) M stars
B) Stars that had longer main-sequence lifetimes than the Sun.
C) stars that formed with more mass than the sun.
D) Pre-main sequence stars of mass similar or less than the sun
E) stars that had shorter main-sequence lifetimes than the sun.
F) Stars that formed with less mass than the Sun.
A) M stars
B) Stars that had longer main-sequence lifetimes than the Sun.
C) stars that formed with more mass than the sun.
D) Pre-main sequence stars of mass similar or less than the sun
E) stars that had shorter main-sequence lifetimes than the sun.
F) Stars that formed with less mass than the Sun.