Question

Why do hens sit on theirs eggs? Why is a hen's egg so hard?

Answer 1

hen sits on the egg to heat it or incubate it or keeping it warm hens egg hatd because of its tough shell
pls brainliesr

Answer 2

HENS SIT ON EGG TO GERMINATE IT BY THEIR BODY TEMPERATURE AND FROM SITTING CHICKEN GET BIRTH ON 22nd DAY
2)BECAUSE IT HAS CALCIUM PRESENT IN IT AND TO PROTECT THE FLUID INSIDE IT