The correct answer is: a) Deer, wild boar, and birds.
Deer, wild boar, and birds are all animals that are found in the Mizoram area. They are also animals that are known to have been hunted by prehistoric people.
Elephants, tigers, and rhinoceros are not found in the Mizoram area. They are also animals that are not known to have been hunted by prehistoric people.
Camels, horses, and sheep are not found in the Mizoram area. They are also animals that are not known to have been hunted by prehistoric people.
Whales, sharks, and dolphins are not found in the Mizoram area. They are also animals that are not known to have been hunted by prehistoric people.
The Mizoram area is a mountainous region in northeastern India. It is home to a variety of plant and animal life, including deer, wild boar, and birds. Prehistoric people are known to have lived in the Mizoram area, and they are believed to have hunted these animals for food.