Fa herniated disc in the lumbar region is treated by surgically removing the intervertebral disc and doing a bone graft between the adjoining vertebrae, one of the consequences might be

Environmental differences within ecosystems are generally caused by

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

All organisms contribute some water to the water cycle by conducting