This type of supernova is caused by a white dwarf. A white dwarf is the remnant of a sun-like star at the end of its life, a body of about 1 solar mass, mainly composed of carbon and oxygen. The matter is compressed into an earth-sized object with a diameter of between 11000 and 28000 km.
The main active ingredient in Robitussin cough medicine is dextromethorphan, or DXM. DXM is a non-narcotic cough suppressant indicated for cough caused by irritation of the bronchial passages and the common cold. BananaStock/BananaStock/Getty Images.
1 It is registered for use on many crops, including fruits, vegetables, nuts, beans, and soybeans. 2  Leverage 360: Made by Bayer. 3  Active ingredients are imidacloprid and beta-cyfluthrin. 4  Registered for use on fruits, vegetables, nuts, beans, peas, soybeans, and cotton.