Answer:
<h3>The answer is option A.</h3>
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Answer:
Five Laboratory Safety Rules:
1). Do not eat in the laboratory.
2). Do not touch any chemical or reagent unless you are told to do so.
3). Neither play in lab, nor sit on the table.
4). Don't remove labels on any reagent.
5). Don't taste anything in the laboratory, no matter how familiar it appears.
Hope it helps.
Answer:
physical change because even though gas formation was observed the water was undergoing a state change which means that it's original properties are preserved
Answer: I believe the answer is d) the rock crumbles at an ocean ridges
Explanation: