-- card: 43294 from stack: in -- bmap block id: 0 -- flags: 0000 -- background id: 2707 -- name: #180 ----- HyperTalk script ----- on openCard global group,rightone put 13 into group put "C" into rightone pass openCard end openCard -- part contents for background part 20 ----- text ----- Question #13 -- part contents for background part 1 ----- text ----- 2C-6.2 Why can the direction that a VHF or UHF radio signal is traveling be changed if there is a tall building in the way? -- part contents for background part 11 ----- text ----- You can never tell what direction a radio wave is travelling in. -- part contents for background part 27 ----- text ----- These radio signals are easily bent by the ionosphere. -- part contents for background part 29 ----- text ----- These radio signals are sometimes scattered in the ectosphere. -- part contents for background part 28 ----- text ----- These radio signals are easily reflected by objects in their path. -- part contents for background part 43 ----- text ----- Correct answer is C