What is the difference between mechanical and chemical digestion

How had the study of mitosis affected scientists knowledge of cancer

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

Which material is commonly used as a culture medium for living cells