the following diagram shows parts of the rock cycle. what process are shown by letter b? erosion and weathering, heat and pressure, cementation only, cooling and hardening. PLEASE HELP

the correct answer is: " ventricles " .

"recent advances in brain imaging have allowed clinicians to make scientifically useful comparisons in the relative size of the chambers in the brain that are filled with cerebrospinal fluid."

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these chambers are called ventricles .