Answer:
Hello, There!
<em>What type of system is best used to observe conservation of matter because all of the mass stays in one place?</em>
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A closed system Would be The Correct Answer!
Explanation:
In a closed system, matter does not enter or leave And it Says In one place.
Therefore, making A Closed System the Correct Answer.
Eat other organisms
Answer: 3 significant figures
Explanation: because in scientific notation only the before and after decimal number are considered but in standard form all numbers including exponents are all significant figures
SrO+NO2+O2
Kl+O2
