HELP! How did the multiplex telegraph change communication in the 1800s?

It helped trains run on schedule and avoid collisions.
It made it possible to use Morse code with telegraphs.
It helped telegraphs transmit messages at a faster rate.
It allowed people to communicate using speech alone.

Abill in the texas legislature that would allow a county to establish a new community college would be classified as a

Read the paragraph below and answer the question that follows. "andy was asked to speak in a school assembly about a fundraising opportunity for a fellow student who had recently been diagnosed with leukemia. andy's stomach hurt and his hands were cold. "steady man," he thought. "you can do this. it's for tim. he needs our ." andy could picture the students wanting to get involved. it occurred to him now that he wasn't just giving a speech. he had something worthwhile to say. which strategies did andy use to reduce his apprehension? select all that apply." be prepared. use muscle relaxation techniques. get experience. think positively. focus on communicating to the audience.

Acurb of this color means you may not stop a) yellow b)green c) red d) blue