Answer asap 15 points global communication became much faster when telegraph wires could be extended underwater and underground. the industrialist who found a way to insulate telegraph wires effectively was? werner von siemens thomas edison guglielmo marconi samuel morse

What are that three unifying characteristics of chordates

Which is likely the most serious problem associated with an epidemic? 1. there are sometimes no cures to the diseases that spread. 2. people often die from the diseases that spread. 3. there are usually no ways to prevent people from getting ill. 4. people often don’t know they have a disease.

Why did jefferson make the louisiana purchase?