1.Xeriscaping is a landscaping practice that reduces or eliminates the need for supplemental watering. What would be the environmental impact on Florida if more people used xeriscaping in their yards? Homeowners would see a decrease in their water bill.
Sprinkler companies could reduce the number of employees.
Less strain would be placed on aquifer groundwater consumption.
Garden supply stores would have to order a different plant assortment.

2.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