The single russian port that's not frozen over for part of the year is located on the
a. mediterranean sea.
b. pacific ocean.
c. black sea.
d. baltic sea.

The Russian port that is not frozen over for part of the year is located on the Mediterranean Sea.

There is only two ports that are not frozen.
-Vladivostok, Pacific Ocean
-Murmansk, Arctic Ocean

B. Pacific Ocean

The peak above is part of the  sierra madre occidentals ,  a chain of volcanic mountains that runs through the middle of central america.