Initially ?
It was the slag that floated to the top as the planet cooled.
the outermost layer of earths atmosphere
The crust.
The top layer of Earth's atmosphere is called the exosphere. It is the outermost layer where the atmosphere transitions into space. The exosphere is very thin and composed mostly of low-density gases.
Earths outermost layer is the crust.Actually, the crust is divided into two parts,Sial and Sima.In that way, actually Sial is the outermost layer of the crust,as it lies above the Sima.
The crust (the land that we walk on)
Ionosphere is the outermost layer. It contains charged ions.
Earths outermost layer is the crust.Actually, the crust is divided into two parts,Sial and Sima.In that way, actually Sial is the outermost layer of the crust,as it lies above the Sima.
The outermost layer of Earth's atmosphere is the exosphere. This layer is where the atmosphere is the thinnest, gradually transitioning into space. The exosphere is composed mostly of hydrogen and helium atoms.
Pcvrvsgsvd
Pcvrvsgsvd
The outermost layer of a flatworm is composed of a syncytial epidermis. This layer is made up of a single layer of cells fused together, providing protection and facilitating nutrient exchange.
Earth's crust is part of the Earth's outermost layer, along with the mantle and core. It is composed mainly of solid rock and is where most geological processes, like plate tectonics and volcanic activity, occur. The crust is thinner beneath the ocean than on land and is divided into several large tectonic plates that continuously move and interact with each other.