Author Question: What technology do astronomers use to search for extraterrestrial life? a. space observatories b. ... (Read 172 times)

jho37

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What technology do astronomers use to search for extraterrestrial life?
 
  a. space observatories
 b. radio telescopes
 c. refracting telescopes
 d. reflecting telescopes
 e. FM radio and televisions

Question 2

Stromatolites are rock-like columns composed of layers of fossilized ____.
 
  a. bones and tissue
 b. fungi and planets
 c. extremophile protists
 d. photosynthetic algae
 e. single-celled organisms



frre432

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Answer to Question 1

b

Answer to Question 2

e



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