Watershed Video https://www.youtube.com/watch?v=2pwW2rlGIa8 1. What is a watershed? 2. What is topography? 3. What is the common source of water does the water around here flow into? 4. What is a HUC?...

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Watershed Video
https://www.youtube.com/watch?v=2pwW2rlGIa8
1. What is a watershed?
Ans: Watershed is a land area that channels the rain water and the snow melts to streams, lakes and rivers and then gets into the outflow points like the reservoirs, bays and oceans. Watershed is also called as drainage basin.
2. What is topography?
Ans: The study of the forms and features of the land is known as topography.
3. What is the common source of water does the water around here flow into?
Ans: The common source of water is the rain water that flows into the rivers and the oceans.
4. What is a HUC?
Ans: HUC is known as Hydrological Unit Codes, which denotes the address of the watershed. This HUC code is used to denote and identify a hydrological area or watershed.
5. What does a hydrograph show?
Ans: these are the graphs which show the past, current and the predicted levels of streams and rivers in the country. Hydrograph is also graph which shows the record of the water level.
Pollution Video
https://www.youtube.com/watch?v=XFpCgjb29sM
1. What is pollution?
Ans: Pollution is an unwanted change in the environment due to contaminants which is not suitable for life and has poisonous or harmful effects.
2. What are the types of pollution?
Ans: The types of pollution are Air, water and soil or land pollution.
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