MCQOPTIONS
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| 1. |
and together have a mass of 7 kg while and together have a mass of 6 kg. Which option is correct? |
| A. | has a mass of 1 kg exactly. |
| B. | is 1 kg lighter than . |
| C. | and have a mass of 13 kg. |
| D. | is 1 kg greater than z. |
| Answer» C. and have a mass of 13 kg. | |