Abiological influence on homosexuality is most clearly seen from evidence of

The answer is sexual relations between same-sex partners in several hundred different animal species. Homosexuality is a phenomenon in the society some say that it is an illness but it is a personality disorder that needed to be treated and sometimes it is influence of environment.

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.