<prompt> The growth pattern of a population with an annual growth rate of 1.5 to 2.0 isSlow growthModerate growthRapid growthVery rapid growth  <response>: When crude death rate is substracted from crude bih rate ,the net residual is current annual grow rate , exclusive of migration. If the annual growth rate is increased from 1.5 to 2.0, then it is rated as very rapid growth. Reference : Park;s textbook of preventive and social medicine, 23rd edition, Pg no:481, table5 