Consider a 10-in × 11.5-in epoxy glass laminate (k = 0.10 btu/h⋅ft⋅°f) whose thickness is 0.05 in. in order to reduce the thermal resistance across its thickness, cylindrical copper fillings (k = 223 btu/h⋅ft⋅°f) of 0.02 in diameter are to be planted throughout the board, with a center-to-center distance of 0.06 in. determine the new value of the thermal resistance of the epoxy board for heat conduction across its thickness as a result of this modification.

change tension

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.