Answer:
It doesn't for the matter affect oxygen
<span>Fossil
fuels represent carbon storage areas. Carbon that is locked in these
fossil fuels does not cycle through the Earth. When humans burn fossil
fuels, the stored carbon is released into the atmosphere as carbon
dioxide. The carbon is then free to cycle through the Earth and can
upset the natural balance of the carbon available, changing the way that
processes occur on Earth.</span>
Animal cells communicate via their extracellular matrices and are connected to each other via tight junctions, desmosomes, and gap junctions
