Answer:
c.plano is a city of Texas
A Federation is a country that is composed of a number of smaller places such as states. From the list the following places are federations: India (some example states are: Maharashtra, Tamil Nadu and West Bengal), Switzerland (its states are known as Cantons) and the United States. France is not a federation and is therefore the correct answer.
It's man's disorganized use of treating the planet.He destroys forests by cutting down trees ,makes forest fires which affect the flora and fauna of the region.All this increases the atmosphere's temperature causing it to rise ,thus causing global warming.
