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heliosphere
That depends on what you mean by the "first" layer. The lowest layer (the first off the ground) is the Troposphere. The highest layer (the first coming in from space) is the Exosphere.
The top layer is the crust, the next layer is the outer core, and the last layer is the inner core.
The crust is the thinnest layer of the earth
The hydrosphere is the layer of Earth composed of water.
The last layer in Earth is the inner core.
the last layer of the earth is my upper lip. see 4 your self if u think im lying. The Crust....
the core
heliosphere
The Earth's layer that sunlight strikes first is the ozone layer.
There is the atmosphere (air), geosphere (earth), asthenosphere (earth and upper mantle). There is also the hydrosphere (water)
the crust
No, its the second. The first layer is the crust.
The Earths three layers are : Crust - the first layer of the earth Mantle - the second layer of the earth which is closest to the core. Core - the hottest and inner most 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.
mesosphere
its the first layer of earth