12° celsius
A wet suit that has been designed for the temperature of the water you plan to dive in.
Yep.
for a space suit you would need tubes that pumps hot and cold air into the helmet and suit and pressurized atmosphere
You can practice in colder water. You an also wear a wet suit or dry suit.
There are tubes of cold water that run through the suit. Also there is a long underwear type material that keeps the suit cold.
Wetsuits are a great example of how water is an insulator. when the wet suit gets wet, it puts a thin layer of water between the suit and your skin. This layer of water keeps your body heat in, and the cold water out.
you would need water, food, an oxygen tank, and a space suit.
they can keep you warm in cold water by appling them in a suit
It pervents the water pressure from killing the diver
You will need a space suit , water, food, space craft and yourself.
u need oxygen tank space suit water and food
About 40 hours of pool time and it depends on how well you take care of it. Wash in cold water after every swim meet and do not use this as a practice suit it will wear out.