Multiple Choice
The auroras in the upper atmosphere are caused by
A) the interaction of electromagnetic energy with atmospheric gases.
B) AM radio broadcasts.
C) various weather phenomena.
D) the interaction of the solar wind and atmospheric gases.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q4: The flattened structure of the Milky Way
Q5: Weather is confined to the troposphere because<br>A)
Q7: Based on temperature, the atmosphere is divided
Q9: The Sun's altitude refers to<br>A) the angular
Q10: Which of the following results from radiation
Q11: Air consists of<br>A) a mixture of gases
Q12: In which of the following past Earth
Q19: The tropopause occurs at a _ elevation
Q67: Based on function, the atmosphere has<br>A) five
Q145: Earth and the Sun formed specifically from<br>A)