Physics
Physics, 30.05.2020 14:57, yessijessiHaley

Study this image of a geologic time scale.

How long ago did invertebrates become common on Earth?

1.6 million years ago

132 million years ago

410 million years ago

520 million years ago


Study this image of a geologic time scale.How long ago did invertebrates become common on Earth?1.6

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