Occurs when heat is transferred into an object through motion or movement; an example would be boiling water. a. conduction c. convection b. radiation d. heat select the best answer from the choices provided a b c d

The correct option is "a. conduction"

The conduction is the phenomenon consisting in the propagation of heat between two bodies or parts of the same body at different temperatures due to the thermal agitation of the molecules, there being no real displacement of these.

the two sets of lines are :

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place