Question
Ecologists from Spain are noticing chemical imbalances, changes in aquatic populations, and poor nutrient cycling in the river that runs through their country. Which of the following is the MOST likely cause of these issues?
A. a dam that was been built upstream
B. runoff from high rainfall
C. an oil spill in a local river
D. pesticides that have entered oceans
A. a dam that was been built upstream
B. runoff from high rainfall
C. an oil spill in a local river
D. pesticides that have entered oceans
Answers
Answered by
GPT 3.5
A. a dam that was been built upstream