<span>the magnetic compass and gunpowder</span>
The correct option is C.
Plate tectonic theory explains the structure of the earth's crust and the many phenomena that are associated with it. This theory enables the scientists to know that there are movements in the interior of the earth which are responsible for volcanic eruptions and earthquakes.
The Bermuda Triangle is a region in the western part of the North Atlantic Ocean in which ships planes and people are alleged to have mysteriously disappeared
Compass Rose!!I hope this helped
