1. a scientist studies a model of a widely accepted theory about the universe. the model would most likely the scientist to (2 points) understand a theory which cannot be observed prove that the theory would not change in the future demonstrate how the theory can be changed into a law prove that all other theories about the universe are incorrect

Humans have built artificial levees along the mississippi river to protect themselves and their property from floods. however, these structures also modify inland and coastal regions by disrupting the natural flow of sediment. artificial levees along the mississippi river a. reduce the amount of sediment deposited on floodplains and increase the amount of sediment deposited at the river's mouth. b. increase the amount of sediment deposited on floodplains and decrease the amount of sediment deposited at the river's mouth. c. increase the amount of sediment deposited on floodplains and at the river's mouth. d. decrease the amount of sediment deposited on floodplains and at the river's mouth.