Hi there!
Normal rain has a pH between 5.0 and 5.5, which is slightly acidic on the pH scale. Acid rain on the other hand has an average pH of 4.0, much more acidic than your average rain.
Therefore, the most likely pH of acid rain would be 4.0.
The answer is C.
they run east to west which makes them parallel to the equator and they measure distances north and south.
I hope this helps.
Rocks get older as you move away from the water surface
It is true that a physical change occurs when a material changes shape or size, but the composition of the material does not change. The correct answer is True.
When a candle is burning the candle is releasing thermal and radiant energy
