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Home Q & A Board Science-Related Homework Help Physics Astronomy
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nsdq007 nsdq007
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2 months ago
The first complex life appeared on Earth about 0.5 billion years ago. What period was that?


▸

the Jurassic Period



▸

the Cambrian Period



▸

the Precambrian Period



▸

the Neolithic Period

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ASTRO

ASTRO


Edition: 3rd
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shanej399shanej399
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nsdq007 Author
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2 months ago
Brilliant ツ
ezsancheezy
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Yesterday
You make an excellent tutor!
Turboturner
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2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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