L 6.3.2 Test (CST):
Humans and Earth's Resources
Question 4 of 10
A scientist is responsible for monitoring water quality in a
river that flows through a hydroelectric dam. He collects
data to determine the dam's impact on the water quality of
the river below the dam.
Which type of data will best help him monitor the water quality?
O A. Nitrate levels
• B. Water temperature
C. Pesticide levels