Eyepiece, finder-scope, optical tube, aperture, focuser, and mount
Rubber, because it doesn’t conduct heat and it is a good insulator
Answer:
option 3
Explanation:
Neon is one of the noble gases. Noble gases don't react with any element because of their stability. Elements of Group 18 in Periodic Table are inert gases.
Answer: There are 20 protons neutrons in the atom
The 02 is a solid. I hope thus helped you :)
