Question

Which evidence provides support for the nebular theory. a) scientists have observed the formation of a distant solar system. b) the nebular theory has been proven mathmatically. c) astronomers have observed proplanetary disks around distant newborn stars. d) none of the above

Answer 1

Evidence that provides support for the nebular theory can be revealed by the third option C) astronomers have observed proplanetary disks around distant newborn stars.  Observing is the most reliable proof for any theory. I'm sure it will help! Regards.