Earth's lakes, oceans and rivers are part of the

The layer that surrounds the earth and protects it from too much sunlight is the

The atmosphere is a layer of

Rocks, soils and minerals are part of the

Earth\'s hydrosphere serves as the planet\'s

The atmosphere contains

The outer part of the lithosphere is the

The center layer of the earth is called the

Between the crust and the core is the

If you took a journey to the center of the earth, you would find a core of

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