Why is the idea of climate change controversial
a. global temperatures have been steadily falling.
b. there are virtually no scientists worldwide who believe in its existence
c. not everyone agrees on its causes or its possible solutions.
d. clean power has almost completely replaced the use of fossil fuels in the united states.

The correct answer is letter C.

The global warming is a controversial subject because there is no way to fully assure people of the causes, and each researcher has its own beliefs on the causes and solutions.

Some people even think global warming is just something people say, and it’s not even a real thing.

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