Multi-year ice is the hardest sea ice and...

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Question 1 of 2066636ee728f7522a1c518343

Multi-year ice is the hardest sea ice and should be avoided if possible. It is recognizable because of what tone to its surface color?

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Question 1 of 20

66636ee728f7522a1c518343

Multi-year ice is the hardest sea ice and should be avoided if possible. It is recognizable because of what tone to its surface color?

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🔍 Key Concepts

• Differences between first-year ice and multi-year ice • How age of sea ice affects salinity and therefore color • Visual characteristics: surface tone, roughness, and melt ponds on older ice

💭 Think About

• Think about what happens to the salt content in sea ice after it survives more than one melt season—how does that change its appearance? • Recall which ice types tend to look darker vs. lighter and which look more opaque vs. clearer. • Consider which color tone would match very hard, dense, old ice that has had brine drained out over time.

✅ Before You Answer

• Be clear on the visual difference between new/grey/grey-white ice and older, thicker ice. • Ask yourself which color is often associated with very pure, dense ice rather than ice still containing a lot of brine and air. • Eliminate any options that you associate more with thin, young, or dirty ice rather than multi-year ice.

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Question 1 of 2066636ee728f7522a1c518343

Multi-year ice is the hardest sea ice and should be avoided if possible. It is recognizable because of what tone to its surface color?

Back

Question 1 of 20

66636ee728f7522a1c518343

Multi-year ice is the hardest sea ice and should be avoided if possible. It is recognizable because of what tone to its surface color?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed