Waste Stacks and Vents. The typical home has a complex array of both waste and vent stacks that need to be functioning correctly for your home plumbing system to be trouble free. Aries Plumbing Inc. has years of experience in working with waste and vent stacks.
Outer space begins 100 km above your head. It is an arbitrary line called the KÃ¡rmÃ¡n line which has been set for treaties concerning space. There is indeed no firm boundary where space begins. See: https://thehighfrontier.wordpres...
The International Space Station also orbits in this layer, between 320 and 380 km (200 and 240 mi), and needs to be constantly boosted because friction with the atmosphere still occurs. The outermost layer, known as the exosphere, extends out to an altitude of 10,000 km (6214 mi) above the planet.