ANSWER FAST PL When new buildings and parking lots are erected the contractors are required to build retention ponds to allow a place for storm water drainage. After a few days of severe rain, Erin noticed that the retention ponds at her school were more full than usual. After a few weeks she noticed they were almost completely covered with a layer of algae. To which of the following could the algae growth most likely be attributed?

an increase in acid from the rain

a decrease in fish to eat the algae

an increase in nutrients from the runoff

an increase in sunlight as the cloud cover disappeared