I think it's the atmosphere
The atmosphere.
lithosphere
Hydrosphere
which earth layers is the thickest the mantle
Yes, the earth does have an atmosphere. Part of it is the air you breathe.
The crust. All of the Earths crust are part of techtonic plates.
Atmosphere.
atmosphere
Atmosphere.
lithosphere
The Solar System contains the Earth-Moon system. The Milky Way galaxy contains the Solar System. The Virgo supercluster contains the Milky Way galaxy. The Universe contains the Virgo supercluster.
The autonomic nervous system.
Earth is part of the Inner Solar System.
Hydrosphere
which earth layers is the thickest the mantle
The lungs are part of the respiratory system or pulmonary system.
A gallon is NOT part of the metric system. A gallon is a part of the Imperial system and contains 4 quarts (or 8 pints)
The stratosphere part contains the ozone. The ozone is contained as the ozone layer.