The geosphere is ...

The hydrosphere is ...

The biosphere is...

The atmosphere is...

When humans breathe, the biosphere interacts with the ...

When a river erodes the river bank, the hydrosphere interacts with the...

When puddles evaporate, the hydrosphere interacts with...

The thinnest layer of the earth is the...

The hottest layer of the earth is the...

The layer of the earth in which convection happens is the ...

The coolest layer of the earth is the...

Bio means...

Atmos means...

Geo means...

Hydro means...

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