Why some Nubalae shine? A) Because they emit light B) Due to star characters C) Because they burn fast D) Because they reflect light Related MCQs: Alimentary canal consists of mouth cavity, pharynx, esophagus, stomach, small and large intestines. Why this complex organ is adopted? When Pluto was caste out from the list of planets? According to Big Bang theory concepts, the universe is? Who was the first and youngest woman astronaut?