They pollinate the place they occur.
Some positive effects include that Industrialization provides jobs, money, and advancement.
agriculture
Yes. Tornadoes have a number of effects on people. The damage people's property, cause power outages, damage businesses, block roads, and kill and injure people.
The primary negative effects of the Columbian Exchange were death, disease, and slavery. Positive effects included the incorporation of European methods of agriculture, and the introduction to the Americas of animals such as horses.
nothing
It is difficult to find any pontential positive effects. However, like other storms, tornadoes are able to clear out old vegetation, allowing for new growth.
Tornadoes have both a positive and negative effect on the economy. While they can be very destructive, new construction is usually the result of tornadic activity.
No not that any Storm Chaser or any of the NSSL's stations know about (National Severe Storm Laboratory)
Tornadoes devastate the biophere in many ways: kills livestock, plants, and the occasional person. Though, sometimes they have positive effects
No
well tornadoes can badly damage or destroy parts of communities
Fewer people would loose their homes and businesses and fewer people would be injured and killed by tornadoes. However, while better construction standards might reduce the damage caused by tornadoes, nothing can actually stop tornado damage.
the political effects are where the goverment is damaged by the outcome of the tornado.
Tornadoes can destroy the homes of people and animals and can kill or injure them.
what is the positive and nagetive effects
Tornadoes are violent whirling winds that cause damage and harm people. In the worst cases a tornado can be well over a mile wide and pack winds over 300 mph. The negative effects of include damaged or destroyed property, people killed or injured, and the disruption of utilities. For a tornado there are no positive effects. When a tornado happens it is safe to be in a basement or something underground. If you don't have a basement then don't be near a window.
Tornadoes can damage or destroy people's property and can kill or injure the people themselves.