The term 'igneous' originates from a Latin root. What does ignis mean?

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Multiple Choice

The term 'igneous' originates from a Latin root. What does ignis mean?

Explanation:
This question hinges on recognizing Latin roots used in geology to name rock types. The word igneous comes from Latin ignis, which means fire. That link to fire explains why these rocks are termed igneous: they form from molten material produced by heat and then solidified. You can see the connection in English words like ignite and ignition, which all trace back to the same fire-related root. Other possible roots would point to water (aqua/hydr), earth (terra), or ice (glac-), but they don’t match the Latin root ignis. So ignis means fire.

This question hinges on recognizing Latin roots used in geology to name rock types. The word igneous comes from Latin ignis, which means fire. That link to fire explains why these rocks are termed igneous: they form from molten material produced by heat and then solidified. You can see the connection in English words like ignite and ignition, which all trace back to the same fire-related root. Other possible roots would point to water (aqua/hydr), earth (terra), or ice (glac-), but they don’t match the Latin root ignis. So ignis means fire.

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