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Questions and Answers
What is the depth of the Grand Canyon in its deepest parts?
What role does freezing water play in the breakdown of rocks in the Grand Canyon?
Which material is used in sunscreens to block sunlight effectively?
What does a high SPF in sunscreens indicate?
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Why did Mimi and Dean include mineral oil in their sunscreen comparison?
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What is the main purpose of the Sun Protection Factor (SPF) in sunscreens?
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Which of the following items was NOT listed as part of Mimi and Dean's sunscreen experiment?
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What natural feature runs through the bottom of the Grand Canyon?
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What do the maps indicate about the migratory routes of golden plovers?
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In which regions do golden plovers spend their winters?
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What significant change has been observed in the migratory routes of golden plovers over the past decade?
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What factor did Student 1 attribute to the difference in soil moisture on the slopes?
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According to the data collected by the students, which factor did Student 2 think was responsible for the variation in soil moisture?
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What environmental factors did the students measure as part of their investigation?
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Which conclusion can be drawn from the students' investigation results?
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What did the students compute in relation to their measurements?
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What makes normal rain slightly acidic?
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Which components contribute to the acidity of acid rain compared to normal rain?
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What is the expected result when a marble chip is immersed in vinegar overnight?
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How deep is the Grand Canyon in some parts?
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What environmental issue is caused by the significant number of visitors to the Grand Canyon?
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Which geological event contributed to the formation of the Grand Canyon?
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What can be analyzed using scientific investigation in relation to the Grand Canyon?
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What is one of the potential concerns regarding the beauty of the Grand Canyon over the past century?
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What was the main purpose of the experiment conducted by Mimi and Dean?
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What does a high Sun Protection Factor (SPF) indicate about a sunscreen?
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Which substance used in the experiment is known to almost completely block sunlight?
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Why did Mimi and Dean use mineral oil in their experiment?
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What method did Mimi and Dean use to compare the sunscreens?
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What is the role of light-sensitive paper in the experiment?
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Which option correctly identifies a question Mimi and Dean were trying to answer?
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What did Mimi and Dean consider when including different sunscreens in their study?
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What is a primary challenge in creating a sustainable fish farm?
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How do sustainable fish farms address the waste generated by farmed fish?
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Which organism is preferred as food for common sole in the fish farm?
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Why is it essential for a sustainable fish farm to maintain a constant flow of ocean water?
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What role do microalgae play in the sustainable fish farming ecosystem?
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What happens to the nutrients found in the water returned to the ocean from the fish farm?
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What is the main goal of the fish farm mentioned in the content?
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Which of the following organisms is specifically mentioned to contribute to nutrient absorption in the water?
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Study Notes
Sustainable Fish Farming
- There is an increased demand for seafood, this is putting a large strain on wild fisheries.
- Fish farms are being researched and implemented to reduce the pressure on wild fish populations.
- There are two main challenges to creating a sustainable fish farm: feeding the fish and maintaining water quality.
- Fish farms require large amounts of food.
- Sustainable fish farms should grow foods that can feed the farmed fish.
- Fish waste can build up in a fish farm.
- Sustainable fish farms need to have a constant flow of ocean water through them to prevent waste build-up.
- Waste and excess nutrients are removed from the water in sustainable fish farms before being returned to the ocean.
- Fish farms need to ensure the water being returned to the ocean is free of waste and excess nutrients.
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Description
Explore the essential concepts of sustainable fish farming in this quiz. Understand the challenges of maintaining water quality and feeding fish in a controlled environment. Learn about the practices that help minimize the impact on wild fisheries and promote eco-friendly seafood production.
