genyjoannerubiera
26.01.2022 •
Physics
What technologies are astronomers using to look for life on other planets? Why?
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Ответ:
Radio signals and telescopes
Explanation:
I believe that they would uses those because with a telescope you can see things if they are millions of miles away from earth or where ever. And with radio signals you could try and see if there is any sign of life beyond on the knowledge we know of the universe.
Ответ:
the answer is B
Explanation: they couldn't cross over a bridge because they didn't have the technology for that and they couldn't go anywhere with boats because boats weren't made yet and animals were hunted they didn't use them for following around. Hope that helps:D