Scribes, the name even suggests it from latin :)
The north american air mass is a large body with generally uniform temperature and humidity. the area from which air mass originates is called source region. the air mass source regions range from extensive snow covered polar areas to deserts to a tropical oceans.
I know planets rotated around the sun, is definitely true. I'm not sure about the others.
Third Movement. The third movement usually follows a dance-like form, such as Minuet [or Scherzo] and Trio form. It is commonly written in the home key.
