The answer would be tectonic. hope this helps (:
Answer: 161.3
I have a acellus too and got this question correct, so I hope this helps y’all out
65 years but anything can happen to them
I’m not really sure but I hope this helps
C.
Explanation: Because mirrors are lighter, and they are easier than lenses to make perfectly smooth.
Scientists could investigate this idea by making cathode ray tubes out of different materials to see if the ray was the same.