Ecological succession is valuable to understand because it can change the biodiversity within an ecological community being able begin able to teach a topic to a peer can demonstrate mastery explain the sequence of events that occur in the secondary succession as you go to a friend not yet learned about the process.

the answer is:

carbon dioxide

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.