Tornadoes form when warm, humid air collides with cold, dry air. The denser cold air is pushed over the warm air, usually producing thunderstorms. The warm air rises through the colder air, causing an updraft. The updraft will begin to rotate if winds vary sharply in speed or direction1
Answer:
i'd say that Sub-Saharan Africa is really poor, and whilst there are people whom are trying to help them, there just isn't enough people willing to contribute to helping the Africans
Explanation:
Explanation:
Changes in temperature and precipitation can disrupt a wide range of ... In addition, higher temperatures lead to more evaporation, so ... annual anomalies, or differences, compared with the average temperatur