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Which consequence results when an astrolabe is constructed with dissimilar metals?

A)Reduced instrument corrosion resistance
B)Erroneous altitude calculations result
C)Parallax errors diminish greatly
D)Reduced atmospheric drag effects

💡 Explanation

Inaccurate angle readings appear because differential thermal expansion changes the alignment and relative position of components with changes in temperature, creating measurement errors rather than increasing corrosion; therefore calculations are untrue, rather than parallax being involved.

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