Your dog probably has allergy's and is gnawing on his feet to try to stop the itch or your dog is getting old and has callus from so much use.
Swollen feet are a condition in which muscles in the feet have an excessive fluid. This excessive fluid can be causes of increasing weight. It is also called Edema which usually affects the feet, lower legs and ankles.
Yes
Nothing causes such
Feet can swell when you sit for extended periods due to fluid accumulation in the lower extremities, a condition known as edema. When sitting, gravity causes blood and fluids to pool in the legs and feet, especially if you're in a fixed position without much movement. Poor circulation and prolonged pressure on certain areas can exacerbate this swelling. To alleviate it, it's helpful to move around periodically or elevate your feet.
Florida has a lower average elevation than Arkansas. Florida's average elevation is approximately 100 feet, while Arkansas's average elevation is around 650 feet.
Neuropathy
50
Loss of feeling in the lower leg and feet, known as peripheral neuropathy, can be caused by various factors, including diabetes, nerve compression, or injury. Other potential causes include vitamin deficiencies, alcohol abuse, and certain medications. Conditions like multiple sclerosis and autoimmune diseases may also lead to numbness. If experiencing these symptoms, it's essential to consult a healthcare professional for proper diagnosis and treatment.
In terms of percentage content, it's almost exactly what it would be at sea level, around 20/21%. Of course, the density of the atmosphere is far lower, so whereas you'd have around 15PSI at sea level, at 30,000 feet it'd be down around 4PSI or lower. Answer Just like above, but I would like to say not enought to sestain life. That is why you need to pressurize and aircraft
your feet silly
Eczema
The boiling point of water at 16404 feet above sea level is around 187.7°F or 86.5°C. At higher altitudes, the atmospheric pressure is lower, leading to a lower boiling point for water compared to sea level.