Question

1. plant roots breaking down rock to create soil is an interaction between which spheres? hydrosphere atmosphere geosphere biosphere

Explanation:

Plant roots are part of living organisms, which belong to the biosphere. Rocks are part of the solid - Earth materials and belong to the geosphere. When plant roots break down rock to create soil, it is an interaction between the biosphere and the geosphere.

Answer:

Geosphere, Biosphere