Why is fire considered nonliving?
a. fire is not made up of cells.
b. fire does not grow and develop.
c. fire does not respond to its environment.
d. fire cannot maintain a stable internal environment.?

The answer is a, which is fire is not made up of cells.

 Why is fire Considered nonLiving?
Living things contain DNA and/or RNA But Fire don't have a DNA

A.Fire is not made up of cells

The answer is joseph is observing the colour of the reaction mixture to see whether proteins are present in the given solution.

When a virus infects a host cell, it uses the cell's machinery to make copies of its own genetic material in a process called replication. finally, during the process of self-assembly, that protein shell and the copies of the virus's genetic material are assembled into new viruses.