<span>Correct answer: They end up in bodies of water killing animals and plant life. </span>
A system is contained by its boundary; therefore, the size of a system is limited by its boundary.
Symbiosis in lichens is the mutually helpful symbiotic relationship of greenalgae and/or blue-green algae(cyanobacteria) living among filaments of a fungus, forming lichen. The algaeor cyanobacteria benefit their fungalpartner by producing organic carbon compounds through photosynthesis
