Question

Which of the following is an example of a chemical change?

a rock being crushed into pieces by a hammer


a rock becoming smaller over time due to wind


a rock's appearance changing over time due to exposure to acid rain


all of the above

Answer 1

♡ The Question/Task(s)! ♡

✦ || Which of the following is an example of a chemical change?

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♡ The Answer(s)! ♡

✦ || The answer is, "A rocks appearance changing over time due to exposure to acid rain"!

I apologize in advance if the answer is incorrect! ♡

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♡ The Explanation(s)/Step-By-Step! ♡

✦ || The acid rain is caused by chemical reactions from sulfur dioxide, nitrogen oxides, and other chemicals that combine with the atmosphere's oxygen and water causing the chemical change!

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♡ Tip(s)! ♡

✦ || No Tips Provided!ヽ(>∀<☆)ノ

Answer 2

a rock's appearance changing over time due to exposure to acid rain