1 pts Question 16 According to modern estimates, the current universe formed about and Earth itself formed about O 10 bi

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1 Pts Question 16 According To Modern Estimates The Current Universe Formed About And Earth Itself Formed About O 10 Bi 1 (39.3 KiB) Viewed 84 times

1 pts Question 16 According to modern estimates, the current universe formed about and Earth itself formed about O 10 billion years ago: 46 billion years ago O 16 billion years ago: 4.5 billion years ago 543 million years ago: 65 million years ago 6,000 years ago; 6,000 years ago O 13.5 years before present: 4.5 years before present D Question 17 1 pts The famous Cambrian-era fossil deposit known as the Burgess Shale is now estimated to contain fossils of how many animal phyla? about half as many as are alive today, O just two or three anatomically simple animal phila about the same number as those alive today, O two or three times as many as alive today. O None-animals had not appeared at the time