Question

As trees along a heavily shaded stream are cut down for farm land, the Environmental Protection Agency (EPA) must measure changes to the local stream habitat. The increased sunlight caused an increase in algae growth. EPA scientists were concerned with eutrophication and water turbidity. Water samples from the stream are collected. The microorganisms are counted and classified in order to track changes.

To measure the transparency of the water and estimate algae growth, the EPA scientists used a ___________ .
A) Secchi disk
B) bioindicator
C) light microscope
D) computer simulation

Answer 1

I BELIEVE IT'S A

Answer 2

YOU ARE CORRECT!!!

Answer 3

good job bruh.

Answer 4

eh thanks dude appreciate it