Which of the following objects conducts heat the best?
a.
a metal spoon
b.
hot soup
c.
the gas in a hot air balloon
d.
there is no difference in the heat conduction of these items.

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.