Which of the following best describes how samuel morse's telegraph revolutionized mass media and communication? a.) the telegraph was the starting point for the science behind modern communication devices like the telephone and fax machine. b.) the telegraph was the first device that allowed information to travel over a distance without being physically transported by a person. c.) the telegraph was the first machine used to broadcast news using sound. d.) the first message sent on the telegraph was transatlantic, proving that a message could be sent over a long distance without a human being needed to transport it.

The answer is D.  

Explanation:

Samuel Morse was the first one to send a telegraphic message on May 24, 1844, while experimenting on a Washington line that went to a Baltimore line. This successful experiment led to the improvement of communication between regions that were far from each other. It was the first time that people could communicate from far distances without a human transporting the information.

the unsaturated fatty acid is a fat consist of one or more double bond in the fatty acid chain. if it contains one double bond then called as monounsaturated fatty acid however if, it contains more than one bonds called as a polyunsaturated fatty acid. true fatty acids are called unsaturated fatty acids as it reduces the risk of high blood cholesterol and good for health.

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