Marissa is conducting an experiment in which she needs to test for acids in water. She is using a substance she believes will turn green when put into different acid solutions. She finds that sometimes the substance turns green but other times it does not. Marissa wants to use this substance in her experiments, but it must consistently turn green in the presence of acid. Which approach should she take to solve her problem?

she wants the water to turn green and green is neutral on the PH scale. If the water is turning acidic she might want to add a bit of baking soda to balance out the acidity with a bit of alkaline. Minerals can balance acid. If the water is too much of a base she may consider adding something a little acidic to balance it.

Explanation: the science of PH balancing

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

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