According to passage B, one reason OBMs are potentially more environmentally damaging than WBMs is that OBMs

Emil-Kunkin January 17, 2022

Hi @abigailokereke, while they are both mentioned in the last paragraph of B, only A is given as a reason why OBMs are worse than WBMs. The line about additives is just clarifying a feature about obms, the the next line (52) tells us specifically why OMBS are worse, which is that they disperse slower.