There is a theory that gravity could pull galaxies back together causing a reverse Big Bang which observation makes this theory less likely than the idea that the universe may continue to expand.

answer: 2

explanation:

yes

it's unlikely a majority of a large population would agree on issues

hope this : )

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.