A rapid temperature increases about 55 mya created tropical conditions around the world causes adaptive radiation of Euprimates.
Previously known as the "Initial Eocene" or "Late Paleocene thermal maximum" the Paleocene-Eocene thermal maximum (PETM), also known as "Eocene thermal maximum 1" (ETM1), was a period of time when the global average temperature rose by more than 5-8° C throughout the event.
It has been calculated that the related period of significant carbon emission into the atmosphere lasted between 20,000 and 50,000 years. it took the entire warm era almost 200,000 years to complete. the earth's temperature rose by 5-8 °C.
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<h2>Hello!</h2>
The answer is: The mass number of an atom is obtained by totaling the number of protons and neutrons.
<h2>
Why?</h2>
The atomic mass can be calculated by the sum of the protons and neutron mass of an element.
We should not confuse the atomic mass with the relative atomic mass since the relative atomic mass of an element is the average mass of its particles/atoms compared to 1/12th the mass of a carbon-12 particle/atom.
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