What type of bond between molecules of water is responsible for properties of water, including cohesion and adhesion, temperature moderation, and expansion upon freezing? Ionic Non-polar covalent Coordinate Polar covalent Dipole-dipole interactions

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

and after water is usually warmed by the sun the water temperature raises and then evaporates .