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...
Outer space. Outer space, or just space, is the void that exists between celestial bodies, including Earth. It is not completely empty, but consists of a hard vacuum containing a low density of particles, predominantly a plasma of hydrogen and helium as well as electromagnetic radiation, magnetic fields, neutrinos, dust, and cosmic rays.