Does the conductivity increase or decrease?

It continuously decreases.

It continuously increases.

It decreases at first, then increases.

It increases at first, then decreases

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 b because a,c,and d are opinons

Answer; carbon monoxide (co);