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Answered

I need help quick!! Urgent!
Telescopes differ in the type of:
a. Earth orbit they occupy.
b. Color of the paint they are marked with.
c. Mirrors they use to gather light.
d. Electromagnetic waves they concentrate.

Answer :

Gracesnowbargergo

C.

Explanation: Because mirrors are lighter, and they are easier than lenses to make perfectly smooth.

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