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Jugar Test
1. 
THE IONOSPHERE IS A LAYER OF THE ATMOSPHERE LOCATED BETWEEN...
A.
THE EXOSPHERE AND THE MESOSPHERE
B.
THE MESOSPHERE AND THE STRATOSPHERE
C.
THE STRATOSPHERE AND THE TROPOSPHERE
2. 
THE IONOSPHERE CAN REACH AN ALTITUDE OF...
A.
90 KM FROM THE EARTH´S SURFACE
B.
80 KM FROM THE EARTH´S SURFACE UP TO 150 KM AT THE EQUATOR
C.
80 KM FROM THE EARTH´S SURFACE UP TO 600 KM AT THE EQUATOR
3. 
THE IONIZATION PHENOMENON THAT OCCURS IN THE IONOSPHERE CONSISTS OF...
A.
THE ATOMS OF GASEOUS ELEMENTS HAVE GAIN ELECTRONS.
B.
THE ATOMS OF GASEOUS ELEMENTS HAVE LOST ELECTRONS.
C.
THE ATOMS OF GASEOUS ELEMENTS HAVE LOST PROTONS
4. 
THE IONIZATION PHENOMENON MAKES THE IONOSPHERE...
A.
A BAD CONDUCTOR DIFICULTING THE PROPAGATION OF WAVES.
B.
A GOOD CONDUCTOR, FAVOURING THE PROPAGATION OF WAVES..
C.
A GOOD ELECTRICAL CONDUCTOR, FAVOURING THE PROPAGATION OF ELECTROMAGNETIC WAVES..
5. 
PHOTOIONIZATION IS DUE TO...
A.
THE EFFECT OF ULTRAVIOLET RAYS COMING FROM THE SUN.
B.
THE CONTINUOSLY EXCHANGE OF ELECTRONS.
C.
THE EFFECT OF ULTRAVIOLET RAYS, WHICH CAUSES IONS TO CONTINUOUSLY EXCHANGE ELECTRONS.
6. 
THE SUBLAYERS OF THE IONOSPHERE ARE...
A.
SUBLAYER D, SUBLAYER E AND SUBLAYER F.
B.
SUBLAYER D, SUBLAYER E, SUBLAYER F, SUBLAYER F1 AND SUBLAYER F2.
C.
BOTH ANSWERS ARE CORRECT