Magnetic information on a chart may be...

Question 1 / 2066636ee928f7522a1c519b5e

Question 1 of 2066636ee928f7522a1c519b5e

Magnetic information on a chart may be __________.

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Question 1 of 20

66636ee928f7522a1c519b5e

Magnetic information on a chart may be __________.

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🔍 Key Concepts

• Magnetic variation (declination) and how it is shown on nautical charts • The purpose and content of a compass rose on a chart • Different ways a chart can provide magnetic information besides symbols on the chart face

💭 Think About

• Think about all the places on a chart where information about Earth’s magnetic field and compass corrections might be described or summarized. • Ask yourself: does the chart provide magnetic information only with symbols and lines, or are there also written notes and diagram details? • Consider how a navigator would quickly find the current magnetic variation and annual change when first opening a chart.

✅ Before You Answer

• Look at what is commonly shown inside the compass rose (inner vs. outer ring information). • Recall what isogonic lines represent and whether they are related to magnetic variation over an area. • Remember that many charts include marginal notes or boxes explaining magnetic variation and annual change—verify whether this counts as magnetic information.

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Question 1 of 20

Magnetic information on a chart may be __________.

indicated by isogonic lines

found in a note on the chart

found in the center(s) of the compass rose(s)

All of the above

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Question 1 / 2066636ee928f7522a1c519b5e

Question 1 of 2066636ee928f7522a1c519b5e

Magnetic information on a chart may be __________.

Back

Question 1 of 20

66636ee928f7522a1c519b5e

Magnetic information on a chart may be __________.

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