Characteristics of Non-living things is that growth occurs by accretion, i.e. by addition of materials from outside. For example a crystal in a solution or a snowball may grow larger in size due to the accumulation of particles of its own unit on the outer surface of the original body.
The absence of nutrition, excretion, respiration, reproduction, irritability and adaptation are the characteristics of nonliving things.
The unlimited duration of existence or immortality is a vital characteristic of nonliving things.