This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Population explosion (explosive growth) is defined as the growth rate ? 
Select and explain. 
A. 0.5-1.0, B. 1-1.5, C. 1.5-2, D. > 2
D: > 2
Answer: D: > 2 
Explanation: Ans. is `d' i.e., > 2 Rate/Phase Stationary population Slow growth Moderate growth Rapid growth Very Raped growth Explosive growth Annual rate of growth in % No growth <5 0.5 to 0.1 1.0 to 1.5 1.5 to 2.0 > 2.0