Watersheds

what is the role of an estuary?

• provide habitats for wildlife, filter pollutants, and protect against flooding.

• Estuaries have no impact on wildlife
• Estuaries are used for industrial waste disposal and habitats for wildlife

• Estuaries contribute to air pollution

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what is the role of a wetland?

• to provide entertainment for tourists, reduce flooding, and improve water quality

• Wetlands are primarily used for industrial waste disposal
• Wetlands have no impact on the environment
• provide habitat for various species, improve water quality, and reduce flooding

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the main types of wetlands are ____, _______, and ______

(a)  

what is a tributary?

• A tributary is a type of tree found in rainforests.
• A tributary is a type of rock formation.
• A tributary is a small stream or river that flows into a larger river.

• A tributary is a type of cloud formation.

what is a river system?

• A river system is a network of interconnected rivers that work together to drain an area of land.
• A river system is a single large river that flows through multiple countries
• A river system is a collection of lakes connected by streams
• A river system is a man-made canal used for irrigation purposes

The part of a watershed that divides it from another watershed is a (a)  

what is point pollution?

• Pollution from multiple, unidentifiable sources
• Pollution caused by natural disasters
• Pollution that only affects aquatic ecosystems
• Pollution from a single, identifiable source

what is non-point pollution?

• Pollution caused by natural disasters.

• Pollution from specific point sources only.
• Pollution from multiple sources that cannot be identified

• Pollution originating from outer space.

what are the 5 main things scientists measure for water quality?

• weather, pH, dissolve oxygen, nutrients, turbidity

• dissolved oxygen, nutrients, temperature, pH, turbidity

• dissolved oxygen, nitrates, pH temperature, turbidity

• nutrients, pH, temperature, weather, turbidity

what is eutrophication?

• the process of increasing oxygen levels in a body of water

• the process where a body of water has too many nutrients, leading to excessive algae growth and oxygen loss

• the process of removing nutrients from a body of water, leading to excessive algae growth and oxygen loss

• the process of reducing algae growth in a body of water.

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