I believe that the answer would be D
Answer:
The answer is option (B) Hydrothermal vents
Explanation:
Alvin is a submersible ship (that operates underwater). The ship is owned by the United States Navy. It has the capability of diving into very deep and dark ocean depths to carryout underwater explorations.
Prominent among Alvin's explorations was its discovery of Hydrothermal vents in 1977. The discovery established that vents exist underwater and that they (the vents) spray minerals into oceans when heated by magma.
The Treaty of Paris, ending the Spanish-American War, was signed on December 10. Spain gave up Guam, Puerto Rico, its possessions in the West Indies, and the Philippines in exchange for a U.S. payment of $20 million. The United States occupied Cuba but, as provided for in the Teller Amendment, did not try to annex it.
Answer:
The Fujiwara dominated the Japanese politics of Heian period (794–1185) through the monopoly of regent positions, sesshō and kampaku. The family's primary strategy for central influence was through the marrying of Fujiwara daughters to emperors.
Explanation:
