the mantle
The middle layer of the sun's atmosphere is called the chromosphere. This region is located above the photosphere and below the corona, and it is characterized by its reddish color during solar eclipses.
Exosphere (above about 600 miles).
Ozone
Stiffer mantle.
The opaque middle layer of the eyeball is called the choroid. It is located between the retina and the sclera, providing blood supply to the retina and helping to nourish the eye tissues.
Mantle.
OZONE Layer
STRATOSPHERE
the layer of rock that comprises 67% of earths mass
half of earths layer
The earth thinnest layer is the crust.
The crust is the thinnest layer of the Earth.
Actually, the Troposphere Layer can be considered as Earth's first protective layer, because its well-the atmosphere's first layer. You can think of it that way to remember which is Earths first layer.
The layer below the earth's outer layer is mesosphere. It is the 3rd layer.
Crust
the earths outer layer
The earths innermost layer is the Inner Core.