-- card: 35267 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 4601
-- name: #108
----- HyperTalk script -----
on openCard
  global group,rightone
  put 10 into group
  put "D" into rightone
  pass openCard
end openCard



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Question #10

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3BC-10.1 What is a "geomagnetic disturbance"?

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A sudden drop in the solar-flux index

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A shifting of the earth's magnetic pole

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Ripples in the ionosphere

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A dramatic change in the earth's magnetic field over a short period of time