What basic motion does water follow during the passage of a wave?

would be greatly appreciated! ! : )

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.

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?