19. What should be done AFTER a volcanic eruption? * 1 point A. Practice evacuation drill. D. Learn about the community's emergency alert systems and plans. B. Cross bridges if you are driving a car. C. Stay indoors until authorities say it is safe to go outside. 20. What should be considered in preparing an emergency plan and kit in case of earthquake and volcanic eruption? * 1 point D. Emergency hotlines, exit routes, food, hygiene kit, first aid kit B. Newspaper, contact numbers, food, camping materials C. Clothes, food, cooking utensils, mattresses, meeting area A. Food, hygiene kit, camera, tent, watch, clothes​