Biology

Christine Sullivan

26 December, 14:29

On a trip to the beach, Jacob noticed many signs that read "Keep off dunes." His mother told him that walking or digging on the dunes make them vulnerable to erosion. What other human activity would also contribute to the erosion of the sand dunes? a. building new dunes where none exist b. restricting construction near the dunes c. destroying the beach grass on the dunes d. adding sand from the ocean to the dunes