On a cold morning water vapor in air becomes frost on your window. Is heat flowing into the water or out of the water? Is this process exothermic or endothermic??

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

confused

confused             hewdejdnjnjsnd

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'm wiling to try and you : )