Which of the following processes describes how the aurora is produced?
A. reflection of sunlight by polar ice fields
B. burning oxygen caused by the intense sunlight at high altitude
C. scattering of sunlight in the upper atmosphere
D. collision of fast-moving charged particles with air molecules
Answer: D
You might also like to view...
The large amount of atmospheric carbon dioxide produced by the burning of fossil fuels has no effect on the natural greenhouse effect.
Answer the following statement true (T) or false (F)
Landslides and ground motion are significant sources of danger created by earthquakes. Indicate whether the statement is true or false
What is an example of mesoscale motion?
a. winds on a surface weather map of North America b. winds on a 500 mb chart c. winds blowing through a city d. winds blowing past a chimney e. average wind patterns around the world
The study of plate boundaries and the frequency of past earthquakes in order to forecast earthquakes is known as
A) paleontology. B) paleoseismology. C) dilatancy. D) geodesy. E) moment magnitude.