The correct answer is:
Partnership.
A Partnership is a voluntary association of two or more persons to manage a business enterprise sharing its profits or losses. Some partnerships may include people who work in the business, while others include partners with limited participation and limited liability for the debts and lawsuits faced by the business.
In the United States the limited-liability company (LLC), arose as a response to the demand for a combination of corporate and partnership structure.
The correct answer is Passive array and low frequency
Explanation: The US Department of Defense's Advanced Projects Investigation Agency (DARPA) warned that stealth fighter aircraft technology no longer works, suggested military analyst Michael Peck in his article for The National Interest.
<span>detecting, converting, and transmitting</span>
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indicating where abcd are