Individual atoms do not have color. Why are models often made with several specific colors?​

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.

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite