Explanation:
When an object's average density is equal to the fluid it is submerged in, the condition is known as neutral buoyancy. In scuba diving, neutral buoyancy refers to the ability to balance with gravity without sinking or floating.
Explanation:
With a "Open Water Diver" certification from a diving organization like PADI or SSI, you can dive down to a maximum depth of 18 meters (60 feet).
Explanation:
Most SCUBA shops in the United States will demand a visual examination once a year, and they might do so if the tank is emptied below 500 PSI.
Explanation:
When the eye is close to the surface of the water, objects in the water that are seen through a flat surface do appear magnified. This is common knowledge for anyone who has ever used a diving mask underwater. Rays entering the eye at an angle have gone via the air/water contact and have been refracted towards the eye when the flat water surface is close by.
Explanation:
Octopus regulators, integrated air sources, and redundant scuba systems are the three most often used backup air sources. No matter whatever choice you make, it's crucial to put it at or close to your chest so your friend can quickly find and get it if necessary.
Explanation:
This condition, sometimes known as "the bends," is frequently fatal and is frequently neglected by divers. High partial pressures of nitrogen in the body's tissues cause the development of nitrogen bubbles, often known as "nitrogen narcosis," which impair the nervous system's ability to operate.
Correct answer:
You need to use special tables and procedures.