Which could be a reason viruses are considered nonliving things? viruses come from cells. viruses produce cells. viruses are made of dna and proteins, but not cells. viruses attack cells and are dangerous to them.

The most appropriate answer would be Viruses are made of DNA and proteins, but not cells.

Viruses are considered nonliving things because:

They are made up of DNA and proteins but not cells. They do not contain any cell organelle or cellular machinery.

They can not exist independently in nature.

They do not grow in size.

They cannot keep themselves in a steady state.

They cannot synthesize their own energy.