Question | Answer |
What impact does a new development have on the river basin it is built in? | it increases the level of contaminants that enter the basin |
A sewage plant is an example of what? | a point-source pollution |
When cutting down trees, will it add more or less sediments to the water? | more |
What is the most important thing for a growing community to consider? | local water supplies |
What eventually happens to the water in a river basin? | it drains to the ocean |
What does agriculture cause in water? | sediment pollution |
What does a new highway that increases water runoff from the paved surfaces into nearby streams cause? | non-point source pollution from runoff |
What is the perimeter of silt fencing, sandbags and gravel around construction sites designed to eliminate? | the erosion of exposed topsoil into surrounding areas |
Storm runoff in a city is an example of what? | non-point source pollution |
What impact does the cutting of a forest have on the stream flow? | the stream flow increases |
What was the conclusion from a study of pollutants in watersheds? | pollutants are carried by the water as runoff into a central river |
What are the 4 major land uses identified by watershed managers? | urban, forests, agriculture and wetlands |
What are the main reasons that over 1 billion people don't have access to clean, safe water? | consumption, sanitation, and hygiene |
What is a habitat? | certain requirements for sustaining life |
What is happening to existing reservoirs of fresh, uncontaminated water? | they are being depleted and stressed by contamination |
What type of pollution problem is found in the Yadkin-Pee Dee Watershed? | non-point pollution |
What is the main pollution problem for the Yadkin-Pee Dee River Basin? | sediment runoff from agricultural areas and housing developments |
Does cities and suburbs or wooded and natural areas create more surface runoff? | cities and suburbs |
What does runoff from a road into a nearby stream describe? | non-point source pollution |
What does oil and gasoline discharge from cars and storm sewer drainage describe? | urban runoff |
What are three ways water changes state in the water cycle? | condensation, freezing, and evaporation |
How does the water change state during evaporation? | it changes from a liquid to a gas |
How does the water change state during freezing? | it changes from a liquid to a solid |
How does the water change state during condensation? | it changes from a gas to a liquid |