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Anirva Dhote from R J Chaware Convent, KARANJA
Subject :Sam    Class : Sample

Which of these is needed to measure the mass of a rock?

AA balance
BA barometer
CA metric ruler
DA Thermometer


Ans 1:

Anirva Dhote from R J Chaware Convent, KARANJA
Class : Class 7
A Balance

Ans 2:

Nishchay Gupta from Cambridge Court World School, Jaipur
Class : Class 6

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