Viper's are covered with an outer layer of scales.
scaly skin
The outer layer is the cuticle.
The outer layer of the sun is called the corona.
The crust is the outer or surface layer of the planet.
Yes the Earth's rocky outer layer is called the crust.
There is no specific term for the outer layer of a volcano.
The thin layer of the outer Earth is called the crust.
An outer layer of gas on a planet is called an atmosphere.
it's called mantle
skin
slime layer
The liquid layer of the Earth's core is called the outer core.
The crust is the outer layer of the lithosphere.