Pesticides are heavily used when producing coffee. What is the MOST likely concern when pesticides like these pollute water and enter the Earth’s ocean basins?

a. Pesticide toxins can be transported by ocean currents.
b. Pesticide toxins can evaporate and destroy the ozone layer.
c. Pesticide toxins can settle on the ocean floor and be stored in rocks.
d. Pesticide toxins can make the ocean acidic, causing coral bleaching.

a. Pesticide toxins can be transported by ocean currents.