What is the term for "anything that takes up space and has mass"? O A. Electron
O B. Atom
O C. Water
O D. Matter

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