Well, the carbon cycle provides an example of matter cycling and energy flow in ecosystems. Photosynthesis, digestion of plant matter, respiration, and decomposition are important components of the carbon cycle, in which carbon is exchanged between the biosphere, atmosphere, oceans, and geosphere through chemical, physical, geological, and biological processes.
The magnetic vehicles will move closer to each other because the magnetic force will pull the vehicles together.
Answer:
The junction between two neurons is called a Synapse.
Because they are made mostly or partly out of gas.
I would need more information to answer this question