a slow-moving mass of ice has gradually weathered and eroded rock away in a mountain valley. The landscape of rock has greatly changed. Which sphere was affected in the transformation?

Geosphere

Explanation:

The sphere that was affected by this transformation is the geosphere.

The geosphere is the solid part of the earth which is made up of rocks and soils.

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.

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a