Human embryos have a developmental stage during which they have a tail and pharyngeal pouches (those pouches develop into gills in fish). how can we explain these characteristics of human embryos?

Human embryos share a common ancestor who had gills.

Explanation:

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

make   gliitsh plesea   !