Answer:
There are different ways they can determine that
Explanation:
Scientists take certain fish for testing to see if a disease is present inside them.
Scientists can take samples from certain water areas to test for harmful fish pesticides
The worst way the scientists can find out is human sickness from the pesticide that said fish was carrying
TO better investigate whether that certain pesticide is being carried to the water supply is frequent water sample tests in the lab
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Answer:
Test samples of water in rivers and lakes near farms that use the pesticide.
Explanation:
