Looking at distilled water compared to ocean water, what does salt do to the acidity of water? Can you explain why?

Can someone me with these questions plz.

Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space