Comparison
This Bar graph indicate that 58% of American people very worried about global warming how ever,12% of them believe that global warming is not happening. The highest percent of people
which are 70% believe global warming is very real in other hand 12% are not believe. 76% American scientists trust climate and about 90% of scientists believe that global warming caused
by humans.this research also shows that 58% of American s believe global warming is caused
mostly by human activity but.1% of all carbon dioxide that is emitted by man made source.
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