Why is mitosis important in multicellular organism?

6. in the dna double helix, how are the two strands of dna held together? a. chemical bonds between base pairs hold the two strands of dna together. b. hydrogen bonds between the base pairs hold the two strands of dna together. c. hydrogen bonds between sugar groups and phosphate groups hold the two strands of dna together. d. chemical bonds between sugar groups and phosphate groups hold the two strands of dna together.

Me with biology endocrine system crossword also image left i need with hw

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols