How does the density of the earth’s core compare to the other layers of the earth?

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

Interferons play a vital role in the immune system why are interferons so important?

Water diffusing through a semipermeable membrane is called