In May 2018, the Kilauea volcano on Hawaii's Big Island
began to erupt, spewing lava over part of the island.
Which event are Hawaiians most likely to observe first in the areas covered by
lava?

trigonal pyramidal

tetrahedral

trigonal planar

bent

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.