During a storm, sand is eroded from a beach at a rate of 2m3 per hour. What equation can be used to represent the volume of sand in cubic meters, c, in the beach? Let b represent the amount of sand in cubic meters at the beginning of the storm and h represent time in hours.

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.