Who was at risk of early death due to the contamination of water and animal-borne diseases?
a)nomads searching for mammoths
b)early farmers who cultivated crops and domesticated animals
c)hunter-gatherers searching for berries
d)Homo erectus who hunted animals with a hand axe
a)nomads searching for mammoths
b)early farmers who cultivated crops and domesticated animals
c)hunter-gatherers searching for berries
d)Homo erectus who hunted animals with a hand axe