While most land areas are slow to change, the shape of beaches changes daily. Which of the following best explains this? A. The heating and cooling of beaches changes the shape. B. The wave action adds and removes sand daily. C .Sea level decreases each day, creating more coastal land. D. Coastal animals change the shape of the shoreline.

answer; i believe that the correct answer is ( rivers);

the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.

dude you should crop your image so only the question shows. but   can you explain it better