What is considered to be the first form of telecommunications?

A) telephone
B) telegraph
C) cell phone
D) radio
E) television


B

Environmental & Atmospheric Sciences

You might also like to view...

Which section of a stream is characterized by the absence of fish and found downstream from the release of oxygen-demanding wastes and heat?

A. clean zone B. decomposition zone C. septic zone D. recovery zone E. dead zone

Environmental & Atmospheric Sciences

Excepting Hong Kong (which is 100% urban) which nation is the most urban in East Asia?


A) Japan
B) South Korea
C) Taiwan
D) China
E) North Korea

Environmental & Atmospheric Sciences

Match the type of motion with the correct definition

A) Detached material moves in a free-fall B) Material moves downslope as a viscous fluid C) Mass movements in which there is a distinct plane of weakness between the slide material and underlying stable material 1) Fall 2) Slide 3) Flow

Environmental & Atmospheric Sciences

A horizontal tube of spinning air, created by vertical wind shear, causes the air near the surface to rotate about a horizontal axis, and is called a mesocyclone

a. True b. False

Environmental & Atmospheric Sciences