One difference between humans and bacteria is that a) humans are living, but bacteria are non-living. b) bacteria are composed of cells, but humans are not. c) humans are composed of cells, but bacteria are not composed of cells. d) humans are composed of many cells, but bacteria are composed of a single cell.

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.

Bis the answerhope it !