Nats5antidams Nats5antidams

22-12-2016
Physics

contestada

Which of the following does not use electricity or radio waves to communicate?
A.Radio
B.Telephone
C.Pony Express
D.Telegraph

Respuesta :

Erudite1 Erudite1

22-12-2016

All the devices listed above use waves except pony express. Therefore the answer is C.

Answer Link

Otras preguntas

4+2p=10( 5 3 p−2) please help quickly

Which of the following is not part of “developing a discussion” according to the lesson? a. Consider real-world application c. Focus on the concrete and tangibl

Can you combine like terms if one coefficient has a variable of x and the second coefficient has a variable of xy?

Four workers can make 14 widgets in an hour. At the same rate, how many widgets can twenty workers make in 90 minutes?

someone help me please I doesn't need to be that long you can decide the word count Type your first draft of your Hero's Journey research paper in MLA format wi

List the following in descending order. √121, pi², 11.1, √130

Why must “everybody of men” seek to increase their power? What is the source of Brutus’ observation

Help please I need answer asap

How can scientists best use scientific argumentation to evaluate a scientific claim? A. They can analyze the data related to the claim to see whether there are

. Remembering that scientists often work in teams, which activities would require a scientist to communicate with others? Activitie that Scientist co to, Commun