Question

What property of air is proved in this picture?

Answer 1

Answer:

general info for u.....( don't report)

Explanation:

Valery Polyakov

Russian cosmonaut Valery Polyakov spent nearly 438 consecutive days aboard the Mir space station, from January 1994 to March 1995. He therefore holds the record for longest single human spaceflight — and perhaps set another one for wobbliest legs when he finally touched down.