Explanation:The following are the related to the elephant:Oldest female elephant becomes the head of the herd.There are 10 to 12 female elephants and young ones in a herd.There is no male elephant in the herd, they left when they turn 14 or 15.An adult elephant can eat up to 100kgs of leaves and things in one day.Elephant's big ears also work like fans, they flap these to keep themselves cool.An adult elephant can eat up to 100kg of leaves. Elephants Herd:(A) Elephants live together in groups called herds. - True(B) An elephant herd has only females and baby elephants. - True(C) A herd may have any number of female elephants with their young ones. - False (They have a fixed of 10 -12 elephants )(D) Male elephants live in the herd till they are 4-5 years old, then they leave their herd and join the herds of male elephants. - False (There is no male herd group)Hence only A and B are correct.