16. Lino observed that the moon was round and circular two weeks ago. Now it is a half circle in appearance. What did Lino observed? A. Phases of the moon C. Tilting of the moon B. Rotation of the moon D. Passing of the moon 17. When the moon is getting bigger, it is a A. full B. waxing C. waning moon, D. new 18. When the moon is not visible, where it is between the earth and the sun, we call it A first quarter B. new moon C. waxing gibbous D. waning crescent 19. If the moon is bigger than a quarter, we call it A. full B. crescent C. gibbous moon. D. new 20. When the moon is in line with the earth and the sun and we see the whole of it lighted, it is called as bus A gibbous B. full C. new D. quarter llamabahalle