Answer:
November 21st of 1969.
Explanation:
In the year, 1969, the American Department of Defense put a military research network, called ARPANET online.
SAN is not a network connection.
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A liquid-to-liquid heat exchanger uses a heat-transfer fluid that circulates through the solar collector, absorbs heat, and then flows through a heat exchanger to transfer its heat to water in a storage tank. Heat-transfer fluids, such as antifreeze, protect the solar collector from freezing in cold weather.
Answer: The valuable, precious, or expensive items.
Explanation:
The correct answer is C. Customer spreadsheet
