Mathematics, 08.05.2021 01:00, hellp138

Question 9 of 43 Researchers conduct a study to evaluate the level of
pollution present in a river. They select several locations
along the river and then take a sample of water from each
location.
What is the population under study?
O A. Water in a lake fed by the river
OB. The water collected by researchers
O C. The water in the river
O D. River water in the county where researchers are working
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Question 9 of 43

Researchers conduct a study to evaluate the level of
pollution present in a rive

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Question 9 of 43 Researchers conduct a study to evaluate the level of
pollution present in a...