DOL Dissolved Nitrates

What is a common source of elevated nitrate levels in water bodies?

• Reduction of algal growth

• Industrial waste discharge

• Preservation of aquatic habitats

• Reduced agricultural runoff

Tags

NGSS.MS-LS2-4

How does eutrophication from high nitrate levels affect the aquatic food web?

• It enhances the stability of the food web.

• It reduces competition among species.

• It disrupts the food web by favoring certain organisms over others.

• It has no impact on the food web.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is one effective way to mitigate the impact of elevated nitrate levels in an ecosystem?

• Increasing nitrate discharge

• Reducing oxygen levels

• Implementing better agricultural practices

• Enhancing algal growth

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is one of the primary consequences of elevated nitrate levels in water bodies?

• Increased biodiversity

• Improved water clarity

• Eutrophication and algal blooms

• Enhanced fish populations

Tags

NGSS.MS-ESS3-4

Which of the following best explains the key points of measuring the concentration of dissolved nitrates and their impacts on ecosystems?

• It involves using scientific vocabulary to discuss how dissolved nitrates are measured, their sources, and their effects on ecosystems.

• It focuses only on the physical appearance of water bodies without considering chemical measurements.

• It is mainly about the economic benefits of nitrates in agriculture, ignoring environmental impacts.

• It describes only the process of water filtration, not the measurement of nitrates or their effects.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following is a reason why proper waste disposal and management are essential for water quality and ecosystem health?

• It increases oxygen depletion in water bodies

• It prevents contaminants, including nitrates, from leaching into groundwater or surface water

• It encourages algal blooms

• It harms aquatic ecosystems

Tags

NGSS.MS-LS2-5

High nitrate levels in drinking water can pose health risks, particularly to infants, as they can lead to _________

• methemoglobinemia, or "blue baby syndrome"

• scurvy

• rickets

• asthma

Complying with regulations related to nitrate levels in waste discharge is a legal requirement and demonstrates a company's commitment to _________.

• responsible waste management

• increasing production costs

• marketing strategies

• employee training

Tags

NGSS.HS-ESS3-4

NGSS.HS-LS2-7

One way that waste management companies can help safeguard the quality of drinking water supplies for the communities they serve is:

• Properly disposing of hazardous waste

• Increasing water usage in communities

• Reducing recycling efforts

• Allowing waste to accumulate near water sources

Which is a fresh water ecosystem?

• river
• estuary
• ocean

Tags

NGSS.5-ESS2-2