Answer:
15
Explanation:
By the eve of the Civil War in mid-1861, with the addition of Oregon (1859) and Kansas (1861), the number of free states had grown to 19 while the number of slave states remained at 15.
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Answer:
issuing money, supervising public utilities, and enforcing private contracts.
Explanation:
Answer:
Prior to the Industrial Revolution, which began in Britain in the late 1700s, manufacturing was often done in people's homes, using hand tools or basic machines. Industrialization marked a shift to powered, special-purpose machinery, factories and mass production
Explanation:
Answer:
yes
Explanation:
because they made great technologies and just imagine what they could make if they still where around.
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.
