Sometimes they hatch days apart. You can hold it up to your ear and hear it peeping or clicking if it is going to hatch.
No, the majority of chicken eggs are not fertilised
The chicken egg will likely hatch first. Quail eggs hatch in 21 to 23 days. Chicken eggs hatch in 21.
yes it can
No, they do not.
Incubators can be used to hatch chicken eggs.
care it and it probably will
A hen
i have no idea google it
a dozen
I don't think there is scientific explanation for that. What I know is that that is a question for God not humans since it is He who makes all happen.
You do not need a cock to get an egg from a chicken. If you want to have fertilized eggs that will hatch into chicks there has to be a cock.
No, not unless there is a chick in it, and it is about to hatch.