Biology, 19.11.2020 23:50, mimi19374

PLEASE HEL I’ll GIVE YOU THE MARK These shells were used by organisms when they were alive. Choose which of Earth's spheres (geosphere,
atmosphere, hydrosphere, biosphere) that they are part of in the form pictured here, and explain your
thinking

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PLEASE HEL I’ll GIVE YOU THE MARK These shells were used by organisms when they were alive. Choose...