Where do long chains of volcanoes tend to be located?

a: near the equator
b: near the inner core
c: near plate boundaries
d: near the northern hemisphere

Conflicts arising from drug cartels and goverment corruption is an issue that would most likely be considered as mexico's most challenging problem of today. the correct option among all the options that are given in the question is the third option or option "c". this problem has continued for a very long time.

The area of the indian subcontinent is 4.4 million km^2 whereas the usa is  9.8 million  km²

After the dam broke, glacial lake missoula took blank to drain.
a) 200 years