The earth's revolution is the path around the sun. It is shaped live and oval and it last 1 year.
The location and types of volcanoes are related to plate tectonics as well, so in that sense volcanoes also help us to understand about the tectonic history of a region because if there are volcanoes someplace even if they're not currently active we know that that must have been some sort of a plate uwu
4 the organism would not produce new cell idk if im right