Deep sea coral reefs are a B H. H​

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

it's not c. i took the quiz and got it wrong. so my best guess is b.

have a great day, and hope this .

b a mature ovary of a plant.