What is considered to be the first form of telecommunications?
A) telephone
B) telegraph
C) cell phone
D) radio
E) television
B
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
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
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
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