When a sodium atom reacts with a chlorine atom, the sodium (gains/loses) one electron to form a sodium ion with a change of (how many?) . Na + Cl -> Na+ + Cl-
(Reaction of sodium and chlorine)

compost can be added to topsoil as a:

pesticide

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.

if someone had the list of traits you provided