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True or false: The peak of Mt Everest was once under the sea.

Which of the following is not a defining characteristic of plants?

Describe the layers of the suns atmosphere?

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes