Yes, it is true that North Korea has been actively developing and testing nuclear arms for the last decade, since most of their facilities and tests are easily traceable.
Answer:
Natural Resources: materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain:
Diversification: the action of diversifying something or the fact of becoming more diverse:
Trade:the action of buying and selling goods and services:
Import: bring (goods or services) into a country from abroad for sale:
Export: send (goods or services) to another country for sale:
Efficient: (especially of a system or machine) achieving maximum productivity with minimum wasted effort or expense:
Risk: a situation involving exposure to danger:
Explanation:
Hope this helps :3
Answer:
Astronomers and telescopic evidence
Explanation:
Question asking:
Which connection helps the reader understand how supermassive black holes were found?
Answer:
Astronomers and telescopic evidence
Explanation for answer:
Since the passage given that Astronomers found stars careening around these centers, zooming at previously unheard-of speeds in their orbits and telescopic evidence confirmed the amazing cause: a supermassive black hole, with the mass not of one imploded star, not of two, but of millions – maybe even billions.
Thus, base on the given we can know that telescopic evidence confirmed the amazing cause: a supermassive black hole so the only answer with telescopic evidence and astronomers is [B] astronomers and telescopic evidence
<u><em>~Lenvy~</em></u>
Answer: The talks collapsed at the last minute, but the progress that had been achieved eventually resulted in the 1987 Intermediate-Range Nuclear Forces Treaty between the United States and the Soviet Union. ... Signed in Washington, D.C. by U.S. President Ronald Reagan and Gorbachev on December 8, 1987.
Explanation: