This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'Annual growth rate in moderate growth - \nSelect and explain. \nA. <0.5, B. 0.5-1.0, C. 1.0-1.5, D. 1.5-2.0', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Relation between annual growth rate (AGR) and population. Rating Annual GR(%) Population doubling Time Stationary population None - Slow growth <0.5 >139 years Moderate growth 0.5-1.0 139-70 Rapid growth 1.0-1.5 70-47 Very rapid growth 1.5-2.0 47-35 Explosive growth 2.0-2.5 35-28 Explosive growth 2.5-3.0 28-23 Explosive growth 3.0-3.5 23-20 Explosive growth 3.5-4.0 20-18 Ref: Park 25th edition Pgno : 532', 'role': 'assistant'}]