normal air. However since many footballs are produced in cities like Beijing, where there is a lot of pollution, the air may not be as "clean" as the air in the West
both because basketball is hard and it air.
Because nitrogen gas bigest quantity in air.
Because, you see, the basketball is filled with AIR. Which makes it bounce.
A mixture of nitrogen (78%), oxygen (21%) and trace gases.
It is a refrigerant. R134a is the common type. The old generic name is Freon.
They are filled with air, which is a mixture of gasses, so yes they are filled with gas
3157 is the bulb type, the "K" means the bulb is filled with the inert gas Krypton.
You cannot "type" a basketball. A basketball is an object you use in the sport of basketball to shoot it through the hoop.
The Hindenburg airship was filled with hydrogen gas, which is highly flammable. This led to the devastating fire that caused the airship to crash in 1937.
They are filled with helium gas. They used to be filled with hydrogen gas but that proved to be deadly at times.
both because Basketball is hard and it air.
A gas filled rock that cools quickly is likely a vesicular basalt. This type of rock forms from lava that is erupted from a volcano and cools rapidly, trapping gas bubbles inside. The rapid cooling prevents the bubbles from escaping, creating a porous texture.