All main-sequence stars are composed primarily of ____ and ____.
A) helium; carbon
B) hydrogen; oxygen
C) hydrogen; helium
D) helium; oxygen
Correct Answer:
Verified
Q31: Which list correctly orders the layers of
Q32: Black holes are black because _.
A) dust
Q33: Which list correctly orders different regions of
Q34: The cosmic microwave background radiation is an
Q35: The major reason for differences in temperature
Q37: A pulsar is a _ that emits
Q38: Why does fusion cease in a star
Q39: The _ brightness of a star is
Q40: A _ is a large volume of
Q41: A concentration of older stars that shared
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents