1. Which of these events would clearly mark the end of an era?

volcanic eruption

mass extinction

flooding

tsunami

2. What occurred just before the start of the Cenozoic era?

a meteor impact

the ice age

mammal dominance

plants and animals first colonize on land

Question

Carolyn May

5 December, 10:06

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Answers (1)

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Haiden Mcmahon · Answer 1

1) mass extinction

2) Mammal dominance

1. Which of these events would clearly mark the end of an era?volcanic eruptionmass extinctionfloodingtsunami2. What occurred just before the start of the Cenozoic era?a meteor impactthe ice agemammal dominanceplants and animals first colonize on land