C. that people disagree on whether to allow on animal testing because these two opinions obviously contradict each other and a, b, and c don’t make sense.
The answer I would choose is D all of the above
Answer:
About the same.
Explanation:
Singapore is one of the most economically developed and wealthy countries in the world yet it uses less water per person than other similarly wealthy countries. Pakistan is not so economically developed yet it uses more water per person than similarly less economically developed countries. There is no clear relationship between economic prosperity as water usage has more to do with natural availability of water more than anything else. Thee might be some cases where correlation might be established but it is not proof of a clear relationship.
The correct answer would be A if not C. Because scientific studys prove that carbon dioxide and oxygen are both in the air