Aquatic animals have different levels of tolerance to ph scale changes in water. for example a wood frog will die if the ph of water falls below 4while a clam will die if the ph of water falls below 6 what can you conclude about the acidity of water in a river if both wood frogs and clams survive?

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i gave you 3. hopefully that ! have a stunning day!

this seems to be in the wrong category. but i'll take some free points my dude

posting this in wrong category will result in people seeing it who won't know the answer.