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card_34735.txt
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Text File
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1994-05-12
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896b
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42 lines
-- card: 34735 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 4601
-- name: #109
----- HyperTalk script -----
on openCard
global group,rightone
put 10 into group
put "B" into rightone
pass openCard
end openCard
-- part contents for background part 20
----- text -----
Question #10
-- part contents for background part 1
----- text -----
T3B02 When does ionospheric absorption of radio signals occur?
-- part contents for background part 11
----- text -----
When tropospheric ducting occurs
-- part contents for background part 28
----- text -----
When signals travel to the F region
-- part contents for background part 29
----- text -----
When a temperature inversion occurs
-- part contents for background part 27
----- text -----
When long wavelength signals enter the D region
-- part contents for background part 43
----- text -----
Correct answer is B