Why not answer D?

Started by @MichaelaJ · started 2023-08-15 00:52 · last activity 2023-08-17 15:10 · 1 reply

Hello- Why wouldn't answer D work? In both passages, it explains that Barite is used in drilling mud (passage a) and that is it used in Oil-based mud (passage b). Sounds as though it is commonly used in drilling mud.

Replies

  1. Emil-Kunkin · 2023-08-17 15:10

    We know barite is common, but this is a far cry from it being the most common. Perhaps dirt, water, or oil are more common.

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