[["The first human ancestors appeared between five million and seven million years ago, probably when some apelike creatures in Africa began to walk habitually on two legs. ", 208.0], ["The first early humans appeared between five million and seven million years ago. They started using stone tools around 2.5 million years ago.", 86.0], ["When God made Adam and Eve", 0.0]]
when did the first humans appear on earth
history