which statement explains why many scientists believe that carbon dioxide has likely contributed more to…

which statement explains why many scientists believe that carbon dioxide has likely contributed more to global warming than other greenhouse gases?\ncarbon dioxide is emitted from fertilizers used in farming.\nother greenhouse gases trap more heat than carbon dioxide.\ncarbon dioxide has increased as a result of increased human activities.\ncarbon dioxide is emitted from commercial refrigeration.
Answer
Brief Explanations:
The significant increase in carbon - dioxide levels due to human activities like burning fossil fuels (in energy production, transportation etc.) is a major reason it is considered to contribute more to global warming. While other options mention sources of carbon - dioxide, the overall increase due to human activities is the key factor.
Answer:
Carbon dioxide has increased as a result of increased human activities.