The type of material that will easily accept the flow of electric current is called a(an) circuit. conductor. insulator. resistor.

Which of the following is considered to be a vector?               a.  temperature    b.  velocity    c.  time    d.  mass

The “death throes” of stars are amongst the most complex phenomena in all of astronomy, and the “corpses” of stars amongst the most energetic and exotic objects in existence. beginning at the end of the core helium fusion stage in a star’s life, describe in detail the post-main sequence development of both (a) a 1.0 solar mass star, and (b) a 25.0 solar mass star. in what significant ways do they differ? what role does each of these types of stars play in the "star-gas-star" cycle and the evolution of chemical elements in our galaxy?

Properties seen when one one substance changes to another are known as properties