Question

who come first egg or hen​

Answer 1

Answer:

hen

Explanation:

because first animals were brought to the earth and then all other process started

Answer 2

But it doesn't matter; at some point in evolutionary history when there were no chickens, two birds that were almost-but-not-quite chickens mated and laid an egg that hatched into the first chicken. If you are prepared to call that egg a chicken's egg, then the egg came first.