Modifier -51 is used to identify multiple lesion treatment. Modifier 51 multiple procedure indicates that several procedures were performed by the same health provider at the same session. The most expensive procedure should be listed first without the modifier. The subsequent ones should then be listed with the modifier attached.
Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.
Answer:
the heart is the main function
<span>Cane toads in Australia are considered invasive species rather than simply nonnative because: They are destructive to native species and have no natural predators.</span>