What is the source of the large dust shells seen around some red giants and red supergiants?
A) Leftover material from their formation
B) Debris left behind by a supernova
C) Material from winds from these same stars
D) Debris left behind by passing comets
E) Star-forming molecular clouds
Question 2
Sunspots are dark splotches on the Sun. Which statement is true?
A) They are hotter than the surrounding areas of the Sun.
B) They are extremely cold objects, as cold as Pluto.
C) They are extremely hot, but cooler than the surrounding areas of the Sun.
D) They are solid bodies floating on the surface of the Sun.
E) They are associated with areas of very low magnetic fields.
Diverticulosis. It is the presence of abnormal pouches in the wall of the large intestine (diverticu
Anatomy of the large intestine
Examples of USP labels Source: Courtesy of Novartis Pharmaceuticals Corporation and Mallinckrodt Pha
Localizing the Source of High-Frequency Sounds
Place a towel or sheet over knee area. Use a thin barrier to protect skin from cold source.
Anatomy of the Large Intestine By the time chyme reaches the large intestine, most of its nutrients