Answer:
The living things are characterized by seven factors which includes movement, metabolism, respiration, sensitivity, growth, Excretion, nutrition and reproduction. The characteristics which indicates life in given items are as follows:
1. A candle flame: When we light the candle, the size of the flame is small and it grows as the wax melts.
2. Balloon floating in the air: As the balloon is floating it shows movement.
3. Bubbles blown from a bubble wand: It shows growth as well as movement.
The characteristic that shows that they are not alive include none of the three items performs excretion, metabolism and they are not made up of cell.
