It was Barack Obama. hope it helps
Answer:
Because tornadoes often damage power lines, gas lines, or electrical systems, there is a risk of fire, electrocution, or an explosion. Protecting yourself and your family requires promptly treating any injuries suffered during the storm and using extreme care to avoid further hazards.Tectonic hazards Climatic hazards Earthquakes Flooding Tsunamis Tornadoes Volcanoes Tropical storms (hurricanes) Mountain avalanches Droughts
ROUSSEAU. The answee is ROUSSEAU. Apex Verified
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Monopoly: There is a single seller in the market
Oligopoly: every company in this market structure is aware of the actions of the other companies (oligopolies are a small number of companies controlling the markets- there are elements of collusion in this structure because the firms work together to control prices and the market)
Perfect Competition: There are no barriers to entry (lots and lots of competing companies that each have a small share of the market)
Collusion: 3 companies secretly enter into a price agreement (this is illegal in many cases)
