]microwaves are produced when

magnetic and electric fields are applied parallel to each other
magnetic and electric fields are applied perpendicular to each other
transverse and longitudinal waves are applied parallel to each other
transverse and longitudinal waves are applied perpendicular to each other

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.