Where do baymouth bars form across bays? a. where there is no longshore current nearby b. where strong currents move in and out daily c. where sea stacks stand on both sides of the entrance d. where currents are weak

Baymouth bars form across bays : D. Where the currents are weak
The sediments will be carried out/disrupted when the currents are strong. When the currents are weak, the sediment will finally able to be deposited 

hope this helps

Cbecause it is the only one describing a habitat