Skip to main content
Study
Practice Tests
How to Study
Log in
Sign up
Open main menu
Study
Practice Tests
How to Study
Log in
Sign up
Practice Test
Question 1 of 35
Current score: 0% ( 0/0 )
G3B05 : How does the ionosphere affect radio waves with frequencies below the MUF and above the LUF?
A
They are refracted and trapped in the ionosphere to circle Earth
B
They are amplified by interaction with the ionosphere
C
They are refracted back to Earth
D
They pass through the ionosphere