Answer: a Volcanoe
What it is are openings, or vents where lava, tephra (small rocks), and steam erupt on to the Earth's surface.
-- If you go outside at the same time every night and look at
some familiar stars, you'll see each of them them move westward
at almost exactly 1 degree per night.
-- The reason for that apparent motion is the real motion of the
Earth in its orbit around the sun, at almost exactly 1 degree in
every 24 hours.
(average during a whole year is 0.9856 degree per day.)
The dominant language in South America is Portuguese.
A trapezoid is a type of quadrilateral that has an opposite pair of parallel sides; at lest, that definition seems pretty accurate to me.
So major areas is Spain, Italy, England, France, and also Germany.