The chart shows four stages of demographic transition. Which situation best describes the transitional stage (Stage 2)? Stage 1 Preindustrial stage Stage 2 Transitional stage Stage 3 Industrial stage Stage 4 Postindustrial stage 40 30 Rate per 1000 20 10 0 Total population Death rate Birthrate O A. Sharply dropping birthrate and death rate B. High birthrate and dropping death rate C. High birthrate and equally high death rate O D. High and stable total population​

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous