Answer:
Drop down list
Explanation:
You have not listed what the possible answers are, however a drop down list would be an option to accomplish this.
The first phone was made in 1854 by <span>Antonio Meucci.
Other inventors like </span>Johann Philipp Reis, <span>Alexander Graham Bell, Elisha Gray, and Thomas Edison reinvented the telephone or enhanced it.</span>
There's MANY things that count as computer issues.
1) when your computer freezes.
2) When your computer runs slow.
3) when your computer takes hours to download, but never does.
4) Glitches (that can lead to crashes).
5) it could be an internal server error.
Need more or this good?
Answer:
solution attached.
Explanation:
Also, the tetha time complexity of T_upper would be 
