Multiple Choice
The ____ show(s) an emission spectrum and is(are) caused by large electrical currents that flow into Earth's atmosphere near the north and south poles.
A) Van Allen belts
B) ozone layer
C) lithosphere
D) solar wind
E) aurora
Correct Answer:

Verified
Correct Answer:
Verified
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Q8: The terrestrial planets are<br>A) Earth and Moon,Mercury,Jupiter,Saturn.<br>B)
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