Answer: SUBMARINE CABLES
Explanation:
Submarine Cables or Submarine Communications Cables were first developed in the 1850s to carry telegraphy information cables laid on the sea bed with the purpose of connecting stations on land.
Modern cables use optic fibre technology to carry telephone, internet (including email) and even encrypted data.
For extra information the submarine cable connecting the United States to Europe is known as MAREA. It is 6600 km long and connects the United States to Spain.
Answer:
2. False
Explanation:
It is possible to receive messages from other people at the same time we are sending messages.
Answer: The Lionel toy train company started producing items for warships, including compasses.
Explanation: The Lionel toy train company started producing items for warships, including compasses. Ford Motor Company produced B-24 Liberator bombers. Alcoa, the aluminum company, produced airplanes. The Mattatuck Manufacturing Company, which had made upholstery nails, switched to making cartridge clips for Springfield rifles.
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