Answer:
Buffered solutions or buffers are solution which resist a change in PH when small amounts of acid or base are added. Buffers contain an acidic species to neutralize OH- ions and basic species to neutralize H+ ions Buffers are therefore made of weak acid-base conjugate pairs , such as HC²H³O² and C²H³O².
Explanation:
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Answer: a. cultural
Explanation:
I am not sure , but i think that the correct answer is A.
Hello there!
The only one i can see caused primarily by human activities would be A. Air Pollution.
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