English--Demo
10th-Grade
Easy
Question
The natural phenomenon known as the "Northern Lights " occurs when gaseous particles collide at the Earth's north and south magnetic poles: low-altitude oxygen creates a pale yellow and green color; high-altitude oxygen results in a red hue: and nitrogen produces blue or purplish-red lights.
- NO CHANGE
- low-altitude, oxygen creates a pale yellow and green color; high-altitude oxygen results in a red hue; and nitrogen produces
- low-altitude, oxygen, creates a pale yellow and green color; high-altitude oxygen results in a red hue and nitrogen produces
- low-altitude; oxygen creates a pale yellow and green color; high-altitude oxygen results in a red hue and nitrogen produces
The correct answer is: NO CHANGE
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