Answer:
2. A little more than thirty years after it was invented, the
✔ telegraph
Explanation:
All of the answers:
1. Samuel Morse invented the
✔ telegraph
.
2. A little more than thirty years after it was invented, the
✔ telegraph
was rapidly replaced by the
✔ telephone
.
3. Today’s telephone uses the same basic
✔ voice technologies
that were used in 1876.
