C pretty sure if not sorry
Answer:
Direct current!
Explanation:
Process of elimination, it isn't A, it isn't C, and it definitely isn't D
Answer:
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:
