When cells divide or multiply, the dna must be copied, or replicated. all known organisms replicate their dna by a method known as semi-conservative replication, in which each of the two strands of the parent dna becomes part of the daughter dna?

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