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____________ are used to calculate the distance a continent has moved in a year. a. Space satellites c. Laser beams b. Mirrors d. all of the above

User Sarwar
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Answer:

Step-by-step explanation:

all of the above

User Ravi Mittal
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Space satellites, laser beams, mirrors are used to calculate the distance a continent has moved in a year.

Therefore, your correct answer would be "all of the above".
User Bestattendance
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