What is the biggest source of CO2 emissions?

Question by Gwenilynd: What is the biggest source of CO2 emissions?
I'm doing a research project on public perceptions. Please answer the following questions based solely on your own ideas. Do not do any research.

1. What is the biggest source of CO2 emissions?

2. True or False, Humans have caused more species to go extinct than any other cause.

3. True or False, inhaling one fiber of asbestos will cause lung cancer.


Best answer:
Answer by dana19811) Well if you're talking about

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