The crust.
Tectonic Plates.
lithoshpere
The continents of the Earth are sliding through the asthenosphere. This is the viscous part of the mantle on which the plates of the lithosphere sit.
ozon layer atmosphere ocean, weather
Oceans are part of the hydrosphere. The hydrosphere is all the water on Earth at any given moment.
Exosphere (above about 600 miles).
The earths crust is a part of the outermost layer.
continents
the crust.
That is considered part of layer 2.That is considered part of layer 2.That is considered part of layer 2.That is considered part of layer 2.
Packet switching is considered part of layer 3 of the OSI model.Packet switching is considered part of layer 3 of the OSI model.Packet switching is considered part of layer 3 of the OSI model.Packet switching is considered part of layer 3 of the OSI model.
crust
Tectonic Plates.
yes because its under the 2nd layer of crust
Tectonic Plates are part of the crust, and floats on the semi-molten rock magma layer.
There is no answer to that question. There aren't three continents that are part of the US. The United States is a country, it does not have any continents in it. It itself is part of the continent of North America.
Most continents are not countries. However, Australia is considered to be both a continent and a country. Though, for the most part, continents are not countries.