Who is clinically dead? helga, who exhibits no cortical functioning naomi, who is not breathing and whose heart is not beating john, who is not responsive to pain john, naomi, and helga would all be considered clinically dead?

naomi, who is not breathing and whose heart is not beating

A person is considered clinically dead if their blood circulation and breathing is stopped because those two is needed to sustain live. Notice that the diagnosis need both of them, so only one of them is not enough. Helga and John has no problem in breathing and circulation, so they wont be considered clinically dead.

preservation because he preserves part of the land and preserves means save

explanation:

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.