Subduction zones occur along a. divergent boundaries.
b. convergent boundaries.
c. transform boundaries.
d. in the middle of plates, above hot spots.

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