✔ Correct Answer: B. Its density is greater at short distances from tplanetary surface in daytime and decreases as ionosphere rises at night- time, thereby allowing a greater range of radio

The correct answer to the question “Which of the following is true about Ionosphere?” is Its density is greater at short distances from tplanetary surface in daytime and decreases as ionosphere rises at night- time, thereby allowing a greater range of radio. This question belongs to Everyday Science. Practice the related questions below to master this topic for your FPSC, PPSC and NTS tests.