Hell due in 2 minutes will give and brainliest! a scientist observed debris added to a landform from a melting glacier. this is evidence for which type of natural process? physical weathering chemical weathering erosion deposition

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)