Cohesion of water molecules is due to? A. Hydrophobic interactions
B. nonpolar covalent bonds
C. ionic bonds
D. hydrogen bonds

its option D.because water  molecule have strong  cohesive force due  to the presence of hydrogen bond.

gametes or germ cells are haploid cells (example: sperm and ova) containing only one set (or n) number of chromosomes and autosomal or somatic cells are diploid cells containing 2n number of chromosomes.

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation: