Zack has noticed a lot of changes in his body. He has gained muscle mass and started to grow facial hair. His voice is also getting deeper. In which stage of development is he?

childhood
adolescence
early adulthood
late adulthood

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

What record? the question is incomplete