Pollution Can Enter the Hydrosphere in Many Different Ways

Pollution can enter the hydrosphere in many different ways. Which statement describes a type of point-source pollution?

• Oil being transported on a ship spills into the ocean.

• Grease from cars washes into a stream along the roadway.

• Litter along beaches gets pulled into the ocean by the tide.

• Rainwater carries chemical fertilizer from land into a stream.

Pollution can enter the hydrosphere in many different ways. Which of the following is an example of non-point source pollution?

• A) Oil spill from a tanker

• B) Runoff from agricultural fields

• C) Waste discharge from a factory

• D) Leakage from a sewage pipe

Which of the following pollutants is most likely to cause eutrophication in water bodies?

• A) Heavy metals

• B) Nutrients like nitrogen and phosphorus

• C) Plastic debris

• D) Oil

What is the primary cause of acid rain that affects the hydrosphere?

• A) Carbon dioxide emissions

• B) Sulfur dioxide and nitrogen oxides

• C) Methane emissions

• D) Chlorofluorocarbons

Which of the following is a consequence of thermal pollution in aquatic environments?

• A) Increased oxygen levels

• B) Decreased oxygen levels

• C) Increased biodiversity

• D) Decreased water temperature

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS1-5

How does plastic pollution primarily affect marine life?

• A) By increasing water temperature

• B) By providing nutrients

• C) By causing entanglement and ingestion

• D) By increasing oxygen levels

Tags

NGSS.MS-LS2-4

Which of the following is a method to reduce pollution entering the hydrosphere from agricultural runoff?

• A) Using more chemical fertilizers

• B) Implementing buffer strips

• C) Increasing irrigation

• D) Planting more crops

Tags

NGSS.MS-ESS3-3

What is the role of wetlands in controlling water pollution?

• A) They increase water flow

• B) They filter pollutants

• C) They increase sedimentation

• D) They decrease biodiversity

Tags

NGSS.MS-LS2-5

Which of the following is a natural source of pollution in the hydrosphere?

• A) Volcanic eruptions

• B) Industrial discharge

• C) Agricultural runoff

• D) Urban stormwater

What is the impact of heavy metals like mercury on aquatic ecosystems?

• A) They promote plant growth

• B) They bioaccumulate in the food chain

• C) They increase water clarity

• D) They reduce water temperature

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-7

NGSS.HS-LS4-5