Describe porosity and how that affects groundwater infiltration.

Which substance has non polar covalent bonds

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)