10 of 16 Crossword-Questions containing the word IONOSPHERE
A POWERFUL LIGHT WITH REFLECTOR A RADIO WAVE PROPAGATED ON OR NEAR THE EARTH'S SURFACE Atmospheric layer BACKACHE AFFECTING THE LUMBAR REGION OR LOWER BACK contains a high concentration of free electrons DETERMINES THE DIRECTION OF INCOMING RADIO WAVES DISCOVERER OF RADIO WAVES ionised region ionized region view all