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"The estimated annual emission of CO on global scale is;", air pollution Multiple Choice Questions (MCQ) with choices 85 million tones, 75 million tones, 55 million tones, and 95 million tones for free online courses. Solve environmental pollution questions and answers to improve problem solving skills for free online college courses.
1.
The estimated annual emission of CO on global scale is;
2.
Waste utilization is helpful in conservation of
3.
What is the most common dissolved gas in water?
4.
Which gas has adverse effects on human health ?
5.
What does an ecosystems depend on ?