In case one of you persons doesn't understand the complexity of xenophobia, here is a nice, and clear explanation: The complexity of xenophobia, is simple the felt opinion toward foreigners, or unknown persons.
The exosphere is the uppermost region of Earth's atmosphere as it gradually fades into the vacuum of space. Air in the exosphere is extremely thin - in many ways it is almost the same as the airless void of outer space.
is made up of three oxygen molecules and is what protects us from the sun's harmful UV radiation, which causes cancer, cataracts, and DNA mutation and harms plants and other animals on Earth. exosphere. a sublayer of the thermosphere and the upper limit of the atmosphere where the atoms and molecules blend into space.