Which of the following is a major difference between the Rate of Natural Increase (RNI) and the rate of population growth? (select only one) O a. RNI does not take migration into account, whereas rate of population growth does. b. RNI takes migration into account, whereas rate of population growth does not. c. Rate of population growth follows the Laissez-Faire argument, whereas RNI does not d. RNI is calculated at the state or county level, whereas rate of population growth is calculated at the national level e. RNI follows the Laissez-Faire argument, whereas rate of population growth does not