No, there are unicellular organisms or single-celled organisms which have one cell...
Please mark as brainliest...
There are around 350,000-600,000
The answer to the question above is letter a. melting.
>Exothermic is the giving off heat energy the transfer of energy to the surroundings.
>In exothermic reaction, the energy is
usually transferred as heat energy
<span>> Other example of exothermic is combustion</span>