If the pH of a solution changed from 5.5 to 3.5, how much does the concentration of hydrogen ions change? 1 - increases by 2 2 - increases by a factor of 2 3 - increases by a factor of 10 4 - increases by a factor of 20 5 - increases by a factor of 100

Achild is suffering from fever but the doctor cannot immediately pinpoint the alignment on the basis of this one symptom explain why also mention other two such general symptoms

Which was not a reason why canals were built in florida

Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope? a compound microscope has greater magnification ability than a simple microscope. the compound microscope was invented before the simple microscope. a compound microscope is much easier to manufacture than a simple microscope. compound microscopes were more common than simple microscopes.