Yes, the fresher the better
no
Nothin concrete numbers wise, but studies found it's safe to eat eggs every day, you decide:
yes
It is not safe to eat unrefrigerated eggs because they can spoil and may contain harmful bacteria. It is important to store eggs in the refrigerator to keep them fresh and safe to eat.
No, they will not.
no
The eggs can get cold, they can crack, they might not get fertilized... you name it.
yes
Yes it is safe.
Eggs should be cooked to an internal temperature of 160F (71C) to ensure they are safe to eat.
The brown chicken eggs collected from the nest are very safe and are even more healthy to eat.
yes. hard boiled eggs cooked for more then 15 minuets on low are safe to eat.