Fourth layer of atmosphere Thermosphere extends from …..? A) 80 km to 480 km B) 80 km to 580 km C) 80 km to 680 km D) None of these Related MCQs: Second layer of atmosphere Stratosphere extends from 12 Km to …..? Third layer of atmosphere Mesosphere extends from …..? Which layer of the atmosphere is the one, where we live in? Which of the following layer of atmosphere helps in radio communication?