Which of the following types of stars had the smallest initial mass?

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance

Ascientist wants to test ways to reduce pollution in lake . what is the bestway of doing this