The pH of a solution is 4.5 the pH of another solution is 7.9 for each solution identify the following: pH, pOH, [H+], [H-]

air quality

poor drinking water

and heavy polution

can lead to poor health

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.

i do not get it   at all

elements make up everything, and they combine to make compounds.

the answer is c