The maximum depth d_max that a diver can snorkel is set by the density of the water and the fact that human lungs can function against a maximum pressure difference (between inside and outside the chest cavity) of 0.050 atm. what is the difference in d_max for fresh water and the water of the dead sea (the saltiest natural water in the world, with a density of 1.5 × 10³kg/m³)?

0.17214 m

Explanation:

P = Pressure difference between inside and outside the chest cavity = 0.05 atm

= Density of fresh water = 1000 kg/m³

= Density of water in the Dead Sea= 1500 kg/m³

h = Height

In fresh water

In dead sea

The difference in height is 0.51643-0.34429 = 0.17214 m

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.