Is it A, B or C?

Which of the following is an advantage of solar energy?

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because

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