Flashcardizz EOG Review 8th Grade
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is eutrophication?
Back
Eutrophication is the process by which water bodies become overly enriched with nutrients (like phosphates and nitrates), leading to excessive growth of algae and depletion of oxygen.
2.
FLASHCARD QUESTION
Front
What is radioactive dating?
Back
Radioactive dating is a method used by scientists to determine the age of rocks and fossils by measuring the decay of radioactive isotopes.
3.
FLASHCARD QUESTION
Front
What evidence supports the theory of evolution?
Back
Fossils found in older rock layers that are unlike any existing organisms provide strong evidence for evolution.
4.
FLASHCARD QUESTION
Front
How does biotechnology assist in agriculture?
Back
Biotechnology helps farmers by developing crops that are genetically modified to be resistant to adverse weather conditions.
5.
FLASHCARD QUESTION
Front
What are the environmental impacts of burning fossil fuels?
Back
Burning fossil fuels can produce smog, which contributes to air pollution and respiratory illnesses.
6.
FLASHCARD QUESTION
Front
What is the role of phosphates in aquatic ecosystems?
Back
Phosphates are nutrients that can promote algae growth in water bodies, but excessive levels can lead to harmful algal blooms.
7.
FLASHCARD QUESTION
Front
What is the significance of core samples in geology?
Back
Core samples provide valuable information about the Earth's history, including climate changes and geological events.
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