What positive effect have supernovae had on the development of life on Earth?
A) Supernovae are the main source of background radiation needed for mutations.
B) Chemical elements necessary for life can only be formed in supernovae.
C) The formation of the Sun was triggered by a supernova event.
D) Planets form by accretion of material in the expanding remnant of a supernova.
E) Neutrino bombardment was necessary to form the first simple proteins.
Correct Answer:
Verified
Q39: A planetary nebula is a(n) _.
A) expanding
Q40: A white dwarf stops collapsing and forms
Q41: The supernova generated by the explosion of
Q42: Which event would you expect to be
Q43: Match the type of event with the
Q45: A white dwarf is supported against its
Q46: _ supernovae are caused by the collapse
Q47: The main energy source that drives a
Q48: Supernovae are _.
A) very common: there are
Q49: What part of the Sun's aging process
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