Consider this row in the periodic table of elements. which element(s) are most likely to conduct electricity?

8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )

Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road

Ihave this 50 question test the layer of earth's atmosphere where atoms and molecules escape into space is referred to as the a) exosphere b) ionosphere. c) mesosphere d) thermosphere