Temperature,the natureof the solvent,effect of ion type
The outermost region of a planet's atmosphere.
Answer:
Earth-5.9736×10^24 kg
Now for air this can be different over sea level and in different areas
Air-weighs 14.7 psi or pounds per square inch at sea level also meaning about 15 pounds are pressing down on every square inch of you.
There is lot of differences between the urban parts of Egypt and the rural parts of Egypt, anything form climate, economy, lifestyle, architecture, vegetation... The most significant difference, that is most commonly referred, is the economic difference. People in the urban areas (Cairo, Alexandria, Giza) have bigger incomes and much more opportunities for work and better wage. On the other hand, people from the rural areas are restricted to agriculture, they are totally dependent on it, and when there's economic disturbance they are always the ones the suffer the most.
