What is the name for a disturbance that removes most of the organisms and damages the soil? A. Cyclical disturbance
B. Secondary disturbance
C. Primary disturbance
D. Small disturbance

The answer is c i think

What’s the question here ?

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."

{source: refer to text within question.}.

these chambers are called ventricles .