I'm not exactly sure, but when
PH is a measure of how acidic<span>/basic water is. The range goes from 0 - 14, with 7 being </span>neutral<span>. pHs of less than 7 indicate </span>acidity<span>, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl </span>ions<span> in the water.</span>
Answer:Rocky intertidal
Explanation: they provide them shelter because the rock acts as a media(surface) in which glue to hold or stick to organism. The glue been secreted by seeweed is an adaptation(survival) mechanism they have to Rocky intertidal
C. Both investigations have benefits and limitations and should be examined together to get the most reliable result