Tectonic theory is ur answer
A line segment on a graph would be any line that isn't continuous. It would have dots on the ends instead of arrows. Is that what you're asking?
C. railroad...............
False it doesn’t not sit on the ring of fire
The countries that are located on the equator out of this list are:
Somalia
Democratic Republic of the Congo
Uganda
NOT LOCATED ON EQUATOR: Libya that is located in northern africa