Vhat can the reader conclude about ecosystems based on the information in this passage? Ecosystems are always distinctly different and unique. Ecosystems are interrelated with other ecosystems surrounding or including them Ecosystems are slow-developing entities of biological communities. Ecosystems are clusters of communal habitats in an area.

It depends on the surface of the levels. the rougher the surface, the greater is the frictional force. for rougher surfaces, you would need to exert greater force to move the object. the concept is that, you must overcome the frictional force in order to bring the object into motion. this is the reason why we add lubricants to the joints so they could easily move. this answer was on