How many anions are in Sodium & Oxide

Sodium oxide molecules are made up of two sodium cations and one oxygen anion. Thus, Na2O molecules feature two sodium-oxygen ionic bonds. The structure of sodium oxide molecules is illustrated below.

the child will have heterozygous dominant chromosomes as characters of his father are dominant over the characters of his mother.

the child is heterozygous

geosphere and hydrosphere.

this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.