Algal Bloom
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an algal bloom?
Back
An algal bloom is a rapid increase in the population of algae in a water body, often due to excess nutrients like nitrates.
2.
FLASHCARD QUESTION
Front
What causes algal blooms?
Back
Algal blooms are primarily caused by large amounts of nitrates and phosphates in runoff from agriculture and urban areas.
3.
FLASHCARD QUESTION
Front
What is point-source pollution?
Back
Point-source pollution is contamination that comes from a single, identifiable source, such as a pipe or a discharge outlet.
4.
FLASHCARD QUESTION
Front
What is non-point source pollution?
Back
Non-point source pollution comes from multiple sources and is often caused by runoff from land, which carries pollutants into water bodies.
5.
FLASHCARD QUESTION
Front
How do high water temperatures affect fish populations?
Back
High water temperatures can reduce the amount of dissolved oxygen in the water, which is essential for fish survival.
6.
FLASHCARD QUESTION
Front
What are nitrates and why are they important?
Back
Nitrates are compounds that provide essential nutrients for plant growth, but excessive levels can lead to algal blooms and water quality issues.
7.
FLASHCARD QUESTION
Front
What is turbidity?
Back
Turbidity is a measure of how clear water is, affected by suspended particles, which can impact aquatic life.
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