Answer:
the answer is C
Explanation:
The Universal Transverse Mercator coordinate system is a global system of grid-based mapping references
Explanation:
The valence electrons determine the group the elements belong in the periodic table. For example, the element sodium, Na, has a valence electron of one and so it belongs to Group 1 in the periodic table. Another example is Aluminium, Al, which has a valence electron of three and therefore it belongs to Group 3 in the periodic table.