What is the ratio between coefficients of Fe to Cu in Hypothesis II? Hypothesis II: 2 Fe + 3 CuCl2 --> 3 Cu + 2 FeCl2

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent

Consider the story you just read. all but one of the choices below indicate that something is living.

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)