Answer:
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Answer:
a balance and a beaker of water
Explanation:
The mass can easily be measured with balance. If you drop the key in a beaker of water, the water inside the beaker will increase and this increases the volume of water that will be equal to volume of key.
The answer is D. disorganized
Answer:
Centripetal Force
Explanation:
The reaction to the earth's pull on the moon is the centripetal force