Arrange the solutions in order of increasing acidity. Rank solutions from least acidity to greatest acidity. To rank items as equivalent, overlap them.
NaC6H5O
NaOH
NH4ClO2
NH4I
Nal

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

Why do lunar and solar eclipse not happen every month