The Earth's Spheres

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All biogeochemical cycles have interactions

When nitrogen is returned to the soil when dead plants decompose - the interaction is between

The sphere that consists of all things living is the

The sphere that consists of soil, sand, rocks and all structures comprising the land is the

It is beneficial to understand Earth Science because

When carbon dioxide dissolves from the air into the ocean -the interaction is between

The sphere that contains all the gases (air) that envelope the earth is the

A biogeochemical cycle or a volcano eruption are know as