Which of the following best describes the border between the United States and Mexico? It is a state border.
It is represented on the map by a thin line.
Part of this border follows a natural boundary.
Part of this border is made up by a mountain range.

It is C. Part of this border follows a natural.

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if it wrong, im sorry-))

c

explanation:

c

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.