In what types of living things must groups of cells work together? a multicellular life b viruses c unicellular life d bacteria

A. Multicellular life

Explanation: Multicellular organisms are compund by many cells and different type of cells. In such organisms, cells must work together for the survival of the organism. That cooperative work includes regulation of cell division and cell death, division of tasks and cell fates, for example, cells for the immune response, those for metabolism in the liver or neurons for neurotransmision, and nutrient transport.

the answer is c. it will give up it's valence electron to the other atom.