1. Which statement best describes the relationship between dead zones and agricultural runoff?

a. Agricultural run off leaves a filmy layer on the surface of the ocean which
prevents carbon dioxide from dissolving in the ocean
b. Agricultural run off creates short-term algal blooms which can lead to decreased
dissolved oxygen in the ocean causing fish to migrate elsewhere
C. Hurricanes increase agricultural runoff which can lead to an increase in oceanic
decomposition
d. Agricultural runoff has only positive effects on our oceans