Classify each event in the history of life into the appropriate eon or era. Drag each phrase to the appropriate bin. The age of fossils can sometimes be determined by radiometric dating, which is based on the constant rate of decay of radioactive isotopes. The time required for half of a radioactive

The following events are classified into appropriate era

or eon

Hadean eon – Origin of earth

Archaean eon – Oldest fossils of cells (prokaryotes)

appear.

Proterozoic eon – Oldest

fossils of eukaryotic cells appear.

Paleozoic era – The cambrian explosion, First tetrapods

and insects appear.

Mesozoic era – Dinosaurs evolve and radiate, Origin of

mammals.

Cenozoic era – Humans appaer, Major radiation of

pollinating insects.

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what is meaning of “successfully getting out of a snooker”?

6) What is the radius of a circle with the equation x2 + y2 – 14x + 10y = 250?

Help Me Please ASAP!!! Thank You?

What is the mass of 9.44*10^24 molecules of NO2: The molar mass is 46.01g/mol?

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