IT WOULD BE C AND D BECAUSE IF U OOK AT THEM AND THEN HERE ULL SEE IT
Answer:
a.)
Explanation:
The dense cold salty water from the south sinks to the bottom of the ocean.
Answer;
+1,-1,+2,-2,+3,-3
Explanation;
-Valence is the number of electrons lost or gained to complete an element's outer energy level.
-When an atom gains or loses a valence electron, it forms an ion. Atoms form ions in order to help another to obtain a full octet and to stabilize the valence.
-Some atoms gain or lose electrons to form ions because they need to become more stable. They sometimes give them to have an outer shell or gain them to get a closer charge to eight.
True because they are selecting and breeding for traits that will be best for survival
The skeletal system works as a support structure for your body. It gives the body its shape, allows movement, makes blood cells, provides protection for organs so I would say the first choice, hopefully I helped out !:)