What are the science definitions of these Eon
Era
Paleozoic era
Mesozoic era
Cenozoic era
Period
Epoch
Mass Extinction
Land bridge
Geographic isolation

Eon-an indefinite and very long period of time, often a period exaggerated for humorous or rhetorical effect.

Era

Paleozoic-its end was marked by mass extinctions

mesozoic-between cenozoic and paleozoic

cenozoic- most recent era

period-a length of time

epoch-age

mass extinction- a huge die off of animals

landbridge- a strip of land connecting two large land masses

geographic isolation-island

Explanation:

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

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