Which of the following environments supports chemosynthesis? Choose all that apply.
a) subduction zones where methane from the decomposition of organic material in folded sedimentary rocks trickles from the sea floor
b) areas where high-salinity waters percolate from the sea floor
hydrocarbon seeps that emit methane
c) mid-water depths (below the euphotic zone but above the ocean floor)
d) mid-ocean ridges associated with black smokers
