There are 3 factors which are; temperature, pressure and concentration.
During swallowing, the air passageway of the phaynx is covered by the epiglottis
<em>To be effective, key choices must be <u>parallel.</u></em>
Ph in ground water ranges from 6.5 to 8.5 any higher would be low-quality so the answer would most clearly be Low levels of fecal coliform.
One of the adaptations of the Blue Tang is their color. In the shallower waters of the ocean that water is much brighter blue, which the blue tang resembles in its skin color. This natural blue color can make them almost invisible to predators which lets them live to see another day.
