Asked by Betty

Hypothesis on finding if the dissappearance of a particular fish species from a lake in the northwestern united states is due to acid rain resulting from industrial air pollution
Answered by Ms. Sue
What do you think? Is the disappearance due to acid rain -- or not?

Answered by Betty
I would say maybe, it could be due to the water temperature, against other lakes should betested as well. What would you say. I would also test against other lakes that have acid rain via non acid rain lakes as well.
Answered by Ms. Sue
It sounds like your hypothesis is:

The disappearance of XXXX species of fish from YYYY Lake is due to acid rain.

Answered by chantel
sientists do their experimental tests more than once, so they can reduce the effects of chance errors.This is called conducting?
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