The meaning of star system is group of hundreds of stars , that form around the same time .
<span>The Ring of Fire is a major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur. In a 40,000 km horseshoe shape, it is associated with a nearly continuous series of oceanic trenches, volcanic arcs, and volcanic belts and/or plate movements. It has 452 volcanoes. The Ring of Fire is sometimes called the circum-Pacific belt.
source: wikapedia</span>
I think it’s C but I’m not sure
A Map Projection is a representation of any part of the surface of the Earth
