Answer:
C. Diseases will increase
Step-by-step explanation:
Carrying capacity refers to the maximum population size that can be supported by a system. One the population reaches its carrying capacity, several factors become functional reduce its size. If human population meets its carrying capacity, scarcity of resources such as food, shelter and reproduction would increase the intraspecific population. Starvation or malnutrition can give rise to many diseases to reduce the population size.