Sometimes engineers increase output through crossbreeding. this is when they:

Combine two plants so that each plant's strength compensates for the other's weakness apek

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.