Please help I need this ASAP I also have other questions I need answers to

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Which of the following are correct values for the ideal gas laws constant r