Magnesium has a specific gravity of 1.74, which means that ___ 1.74 times as much as an equal volume of water. A、it is weighedB、weighing itC、its weightD、it weighs

Magnesium has a specific gravity of 1.74, which means that ___ 1.74 times as much as an equal volume of water.

A、it is weighed

B、weighing it

C、its weight

D、it weighs

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