Which parts of the spectrum show the presence of elements in the stars atmosphere

The summit of chimborazo, in ecuador, which is at a distance of about 6,384 km from the earth’s center. the bottom of the mariana trench, in the western pacific ocean, which is nearly 6,370 km from the center of the earth. on the surface of earth on the equator line.

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

This is one type of line graph in which the independent variable is time plotted on the x axis and the dependent variable, also numerical, is plotted on the y axis.