Precipitation having a pH less than 5.6 that can corrode metals and erode marble or limestone buildings and statues, detrimental to both plant and animal life is called what?

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.

The answer is d.potassium