What geographical feature would you find in regions 1 ,2, and 4?

American troops were worried about cantracting in cuba a. yellow fever b. hepatitis c. polio

The indian national congress and the indian national army were the two wings of the freedom movement in india. a. which of these would you have joined? give reasons for your answer. b. why according to you was the indian national army not able to reach where it actually wanted? answer it quickly plsss

Who did the first work in creating vaccines