True or false: a one celled organism is not a living thing

i think it's c. i'm not sure but i think so.

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

it's c (engineer's do their work with mechanical stuff not on any living being)