Primary succession a) is caused solely by human events. b) occurs on preexisting soil. c) occurs in areas without soil. d) becomes normalized by climate species.

bru what tyep of qus is dis

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.