Final answer:
Population C will see the greatest growth in the next few decades due to exponential growth and the possibility of reaching logistic growth in the future.
Step-by-step explanation:
The population that will be seeing the greatest growth in the next few decades is Population C. The information provided suggests that this population is experiencing logistic growth, meaning that it is likely to grow exponentially as resources are increasing. However, at some point, the growth rate will slow down and level off to zero as resources become limited.