Ancient Athenians developed the a form of democracy known as "Direct Democracy". Direct democracy is known as the first form of democracy.
It is the Line of longitude
Answer: Plants such as tree cones depend on wildfires in order to pass through a regular life cycle.
Explanation:
Some Tree cones need wildfires to enable them pass through a life cycle because the heat produced melts the substance that covers the pines thereby enabling the pines to open up and spread their seeds.
Wildfires are therefore essential to the continued survival of trees such as these because without wildfires, these trees might never go through the entirety of their life cycle by dispersing seeds and if this continues it would spell doom for the survival of the species.
D. North and South piglets.
Explanation: The absolute location does not change, such as the position of a place or the longitude and latitude of a place. The relative location changes depending on the person who informs of the location. On the map of fiction, the element that suggests the relative location is to the North and the South of the piglets. Directions such as north, south, east, and west of great help to explain that when a place is in relation to another.