The author states that there is a dearth of systematic empirical investigation into which one of the following?
Tonya-Kendall-2May 17, 2020
Where is this answer explicitly stated.
Can you please direct me to where this answer choice is explicitly stated ( 5he question references “stated”) in the passage? I found where it said the systematical evidence was lacking but did not find any other mention of evidence. Thank you.
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Hi, we are explicitly told that there is not enough study of the degree to which harmful pollutants cross borders in violation of international conventional norms. A, while somewhat abstract, reflects this.
