Why are red giant star are the most common type of giant star?

What is a full calendar month? Why does the sunset in the west and rise in the east? Why is solar energy difficult to harness? Why do stalactites grow on cellings? Can you show me a moon diagram of all the types of moons? The full moon occurring nearest to autumnal equinox? How can you tell if your 1944 wheat penny is wheat ear reverse? What is the most seen constellation? 2 When and on what occasion did Neil Armstrong give his famous speech? How are stars like the sun? When will the sun disappear? Name of the Apollo 14 spacecraft? How much will cow weigh on the moon? What layer ionosphere in? What group of people first initiated the modern system of recognizing constellations? When the moon is in the middle of the lineup and gets between the earth and the sun? What is the projecting piece of the sundial called which shows the time by its shadow? What gravitational force makes it possible for Earth to orbit the Sun? What is the tempstar ac model number nxa636gka100 tonnage and sheer number? How close is planet Mars to the Sun?