Which of the following statements is true? OA. All changes made by organisms to their environments are beneficial.
B. All organisms cause changes in their environments.
OC. All changes made by organisms to their environments are detrimental.
OD
all of these

Which spheres are involved when sedimentary rocks formed from parts of seashells at the bottom of the ocean? a.) biosphere, atmosphere, geosphereb.) geosphere, hydrosphere, biosphere c.) geosphere, exosphere, hydrosphered.) hydrosphere, biosphere, atmosphere