Q1.Which planet has phases like the moon? A. Jupiter, B. Saturn, C. Mars, D. Mercury, Q2.What is the distance of Earth from Sun? A. 146.7 million km., B. 149.6 million km., C. 107.7 million km., D. 142.7 million km., Q3.Who discovered the solar system? A. Copernicus, B. Kepler, C. Galileo, D. J. L. Baird, […]
Thursday, December 07, 2023
