All life on Earth happens in the Troposphere, the lowest level of the atmosphere below about 25,000 feet. Above that altitude, in the stratosphere, it is difficult for life to exist without assistance.
The life supporting ozone is at atmosphere. It is present as ozone layer.
There is no layer of the atmosphere in which ALL life exists because some life forms exist deep under the surface of the seas and oceans - not exactly part of the atmosphere!
the top soil of earth can support life
Water and an atmosphere of air.
Biosphere
the green region.
That is officially known as the biosphere.
Alkali and Alkaline earth metals
Inner core
In which region of the Earth's interior does the heat increase to the point that rocks can begin to melt?
the largest region on earth is australia.
The TropicsThe region of the Earth surrounding the equator is known as "The Tropics".
The Region of the Earth's atmosphere is the Homosphere.
equatorial region
The Region of the Earth's atmosphere is the Homosphere.
the green region.
The metallic region is between the inner and outer core of the Earth; contain iron and nickel.
The liquid region above the Earth's inner core is the outer core.
That is officially known as the biosphere.
The equatorial region is the region of the Earth between the tropics of Capricorn and Cancer. This region is also referred to as the torrid or tropical region.
If you mean the region of influence of the earth's magnetic field then its called the earth's magnetosphere
The South Pacific is a region of the Earth; it is the southern part of the Pacific Ocean.