What happened in Precambrian?

Life diversifies Eukaryote Prokaryotes Life evolves BY Emma Mason

there are no living animals on land because of the gases in the air. so there are only one celled organisms in the sea.

1 The crust began forming.#2 The Earth was cooling.#3 There were only simple plants and animals in the seas.

DUH!! Precambrian is BEFORE the Cambrian period!! pre meaning before and Cambrian meaning CAMBRIAN! think more, sheesh... im in 5th grade and i know thatyoyo im writing on random questions if you...

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